{"id":214185,"date":"2026-02-21T11:12:39","date_gmt":"2026-02-21T10:12:39","guid":{"rendered":"https:\/\/rarecoin.store\/fehlpraegungen-bei-muenzen-wenn-die-praegemaschine-einen-schluckauf-hat-%f0%9f%90%be%e2%9c%a8\/"},"modified":"2026-09-02T05:13:13","modified_gmt":"2026-09-02T03:13:13","slug":"minting-errors-in-coins-when-the-minting-machine-has-a-hiccup","status":"publish","type":"page","link":"https:\/\/rarecoin.store\/en\/coin-misprints-when-the-minting-machine-has-a-hiccup\/","title":{"rendered":"Coin misprints \u2013 When the minting machine has a hiccup \ud83d\udc3e\u2728"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1-1024x576.jpg\" sizes=\"(max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1-1024x576.jpg 1024w, https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1-300x169.jpg 300w, https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1-768x432.jpg 768w, https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1-1536x864.jpg 1536w, https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1-150x85.jpg 150w, https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1-600x338.jpg 600w, https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1.jpg 1920w\" alt=\"Social media graphic \u201cMint Errors: When the Coin Press Gets the Hiccups!\u201d with a photo of a black Labrador in a suit and bow tie on the left and informational text about minting errors on the right.\" width=\"1024\" height=\"576\"><\/p>\n<article dir=\"auto\" tabindex=\"-1\" data-turn-id=\"2a25c29e-37f0-4a49-8755-d4e555a463f2\" data-testid=\"conversation-turn-10\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<p data-start=\"117\" data-end=\"134\">Recognizing minting errors in coins primarily means distinguishing genuine mint errors from later damage or manipulation.<\/p>\n<p data-start=\"117\" data-end=\"134\">Hello everyone!<\/p>\n<p data-start=\"136\" data-end=\"384\">Professor Cooper here. \ud83d\udc36\ud83c\udf93<br data-start=\"163\" data-end=\"166\"\/> It&#8217;s great to have you back at my Academy. Today things are going to get really exciting, because we&#8217;re embarking on a curious investigation: What actually happens when something goes wrong during the production of a coin?  <\/p>\n<p data-start=\"386\" data-end=\"631\">Normally, we collectors love perfection \u2013 mirror-like proof surfaces, sharp details, flawless edges. But sometimes, a small technical mishap at the mint is what makes a coin truly special. <\/p>\n<p data-start=\"633\" data-end=\"713\">But beware: Not everything that looks unusual is automatically valuable.<\/p>\n<hr data-start=\"715\" data-end=\"718\">\n<h2 data-start=\"720\" data-end=\"754\">What is a genuine minting error?<\/h2>\n<p data-start=\"756\" data-end=\"890\">A genuine minting error \u2013 in technical jargon \u201cMint Error\u201d \u2013 occurs <strong data-start=\"819\" data-end=\"887\">during the official manufacturing process at the mint<\/strong> .<\/p>\n<p data-start=\"892\" data-end=\"984\">The important point is: the error occurs <strong data-start=\"931\" data-end=\"969\">before or during the embossing process<\/strong> , not afterwards.<\/p>\n<p data-start=\"986\" data-end=\"1031\">Typical genuine minting errors arise from:<\/p>\n<ul data-start=\"1033\" data-end=\"1148\">\n<li data-start=\"1033\" data-end=\"1065\">\n<p data-start=\"1035\" data-end=\"1065\">Problems with <a href=\"https:\/\/rarecoin.store\/en\/coins-glossary\/\">the blank<\/a> (planchet)<\/p>\n<\/li>\n<li data-start=\"1066\" data-end=\"1101\">\n<p data-start=\"1068\" data-end=\"1101\">Minting error (Strike)<\/p>\n<\/li>\n<li data-start=\"1102\" data-end=\"1148\">\n<p data-start=\"1104\" data-end=\"1148\">Damaged or contaminated stamps (The)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1150\" data-end=\"1302\">Professor Cooper explains it this way: A minting error isn&#8217;t an accident after purchase, but rather a peculiarity that occurs at the mint. \ud83d\udc3e\ud83d\udd0e <\/p>\n<p data-start=\"1304\" data-end=\"1602\">An example from our own collection:<br data-start=\"1346\" data-end=\"1349\"\/> A <a href=\"https:\/\/rarecoin.store\/edelmetall-muenzen-kaufen\/sudafrika-krugerrand-1976-1-oz-gold-proof-mint-error-reverse-struck-thru-ngc-pf68\/\">1 oz gold Krugerrand Proof coin from 1976<\/a> with a so-called &#8220;struck through&#8221; flaw on the reverse. This occurs when a foreign object was lodged between the die and the coin blank during minting. The result is a clearly visible indentation in the metal.  <\/p>\n<p data-start=\"1604\" data-end=\"1735\">This coin was certified by the NGC with PF68 \u2013 including a documented description of the flaw. That&#8217;s what makes the difference. <\/p>\n<hr data-start=\"1737\" data-end=\"1740\">\n<h2 data-start=\"1742\" data-end=\"1771\">What is not a minting error?<\/h2>\n<p data-start=\"1773\" data-end=\"1818\">Professor Cooper is about to get stern. \ud83d\udc36\ud83c\udf93 <\/p>\n<p data-start=\"1820\" data-end=\"1905\">Many coins advertised online as &#8220;misprints&#8221; are in reality:<\/p>\n<ul data-start=\"1907\" data-end=\"2022\">\n<li data-start=\"1907\" data-end=\"1921\">\n<p data-start=\"1909\" data-end=\"1921\">Circulation tracks<\/p>\n<\/li>\n<li data-start=\"1922\" data-end=\"1931\">\n<p data-start=\"1924\" data-end=\"1931\">scratch<\/p>\n<\/li>\n<li data-start=\"1932\" data-end=\"1946\">\n<p data-start=\"1934\" data-end=\"1946\">Bruises<\/p>\n<\/li>\n<li data-start=\"1947\" data-end=\"1975\">\n<p data-start=\"1949\" data-end=\"1975\">mechanical damage<\/p>\n<\/li>\n<li data-start=\"1976\" data-end=\"1993\">\n<p data-start=\"1978\" data-end=\"1993\">Heat exposure<\/p>\n<\/li>\n<li data-start=\"1994\" data-end=\"2022\">\n<p data-start=\"1996\" data-end=\"2022\">subsequent manipulation<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2024\" data-end=\"2075\">In short: damage after leaving the mint.<\/p>\n<p data-start=\"2077\" data-end=\"2285\">Especially with 1-euro or 2-euro coins, exorbitant prices of supposedly 50,000 or 80,000 euros are frequently quoted. In 99.9 percent of cases, these are simply normal signs of wear or minimal tolerances. <\/p>\n<p data-start=\"2287\" data-end=\"2366\">Change usually remains change. That&#8217;s not barking, that&#8217;s a fact. <\/p>\n<hr data-start=\"2368\" data-end=\"2371\">\n<h2 data-start=\"2373\" data-end=\"2432\">Why are genuine minting errors in gold coins so rare?<\/h2>\n<p data-start=\"2434\" data-end=\"2583\">Professor Cooper puts on his reading glasses: Modern <a href=\"https:\/\/rarecoin.store\/en\/coopers-coin-academy-coin-myths-debunked\/\">gold coins<\/a> \u2013 especially proof coins \u2013 are subject to extremely strict quality controls. \ud83d\udc53\ud83d\udc36 <\/p>\n<p data-start=\"2585\" data-end=\"2709\">Before a proof coin is packaged, it undergoes multiple checks. Defective coins are usually sorted out and melted down. <\/p>\n<p data-start=\"2711\" data-end=\"2845\">Therefore, documented minting errors in official gold coins are rare \u2013 and precisely for that reason interesting to specialized collectors.<\/p>\n<p data-start=\"2847\" data-end=\"3002\">However, independent verification is always crucial. Besides <a href=\"https:\/\/www.ngccoin.com\/\" target=\"_blank\" rel=\"noopener\">NGC<\/a> , <a href=\"https:\/\/www.pcgs.com\/\" target=\"_blank\" rel=\"noopener\">PCGS<\/a> also certifies minting errors and describes them transparently on the grading label. <\/p>\n<hr data-start=\"3004\" data-end=\"3007\">\n<h2 data-start=\"3009\" data-end=\"3057\">Professor Cooper&#8217;s Detective Checklist \ud83d\udc36\ud83c\udf93\ud83d\udd0e<\/h2>\n<p data-start=\"3059\" data-end=\"3128\">If you believe you have discovered a minting error, check the following:<\/p>\n<ol data-start=\"3130\" data-end=\"3416\">\n<li data-start=\"3130\" data-end=\"3191\">\n<p data-start=\"3133\" data-end=\"3191\">Is the defect technically explainable by the embossing process?<\/p>\n<\/li>\n<li data-start=\"3192\" data-end=\"3241\">\n<p data-start=\"3195\" data-end=\"3241\">Does it behave consistently with known Mint errors?<\/p>\n<\/li>\n<li data-start=\"3242\" data-end=\"3293\">\n<p data-start=\"3245\" data-end=\"3293\">Is there no visible mechanical post-processing?<\/p>\n<\/li>\n<li data-start=\"3294\" data-end=\"3359\">\n<p data-start=\"3297\" data-end=\"3359\">Has the coin been tested by a recognized grading service?<\/p>\n<\/li>\n<li data-start=\"3360\" data-end=\"3416\">\n<p data-start=\"3363\" data-end=\"3416\">Is the fault officially documented on the holder?<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"3418\" data-end=\"3510\">If several points are not met, Professor Cooper says: Check first, then dream. \ud83d\udc3e<\/p>\n<hr data-start=\"3512\" data-end=\"3515\">\n<h2 data-start=\"3517\" data-end=\"3567\">The difference between sensation and substance<\/h2>\n<p data-start=\"3569\" data-end=\"3690\">A certified gold misprint is a documented exception within a controlled manufacturing process.<\/p>\n<p data-start=\"3692\" data-end=\"3781\">A slightly misaligned coin from the supermarket is usually just a circulating coin.<\/p>\n<p data-start=\"3783\" data-end=\"3870\">Market value is not created by an imaginative eBay description, but by:<\/p>\n<ul data-start=\"3872\" data-end=\"3978\">\n<li data-start=\"3872\" data-end=\"3904\">\n<p data-start=\"3874\" data-end=\"3904\">technical traceability<\/p>\n<\/li>\n<li data-start=\"3905\" data-end=\"3926\">\n<p data-start=\"3907\" data-end=\"3926\">independent audit<\/p>\n<\/li>\n<li data-start=\"3927\" data-end=\"3945\">\n<p data-start=\"3929\" data-end=\"3945\">Collector demand<\/p>\n<\/li>\n<li data-start=\"3946\" data-end=\"3978\">\n<p data-start=\"3948\" data-end=\"3978\">Rarity within the series<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3980\" data-end=\"4083\">Professor Cooper calls this the golden rule: Value is created through verifiability, not through volume.<\/p>\n<hr data-start=\"4085\" data-end=\"4088\">\n<h2 data-start=\"4090\" data-end=\"4130\">FAQ \u2013 Frequently Asked Questions about Minting Errors<\/h2>\n<h3 data-start=\"4132\" data-end=\"4170\">Are minting errors always valuable?<\/h3>\n<p data-start=\"4171\" data-end=\"4307\">No. The value depends on rarity, coin type, metal, demand, and certification. Professor Cooper says: Without demand, there is no market.  <\/p>\n<h3 data-start=\"4309\" data-end=\"4370\">Is every crooked or misaligned coin a minting error?<\/h3>\n<p data-start=\"4371\" data-end=\"4444\">No. Many deviations are normal stamping tolerances or damage caused by circulation. <\/p>\n<h3 data-start=\"4446\" data-end=\"4502\">Why should one have misprinted coins certified?<\/h3>\n<p data-start=\"4503\" data-end=\"4626\">An independent audit creates market transparency and prevents mispricing. And Professor Cooper loves clear evidence. <\/p>\n<h3 data-start=\"4628\" data-end=\"4681\">Are Euro error coins really extremely valuable?<\/h3>\n<p data-start=\"4682\" data-end=\"4780\">In most cases, no. Spectacular internet prices rarely reflect real selling prices. <\/p>\n<hr data-start=\"4782\" data-end=\"4785\">\n<h2 data-start=\"4787\" data-end=\"4818\">Professor Cooper&#8217;s conclusion \ud83d\udc3e\ud83c\udf93<\/h2>\n<p data-start=\"4820\" data-end=\"4946\">Minting errors are a fascinating part of numismatics. They show that even highly precise technology is not perfect. <\/p>\n<p data-start=\"4948\" data-end=\"5086\">But true rarities are not recognized by headlines or fantasy prices, but by technical analysis and independent assessment.<\/p>\n<p data-start=\"5088\" data-end=\"5204\" data-is-last-node=\"\" data-is-only-node=\"\">Stay curious. Stay critical. And if something sounds too good to be true: Ask Professor Cooper first. \ud83d\udc36\ud83d\udd0e   <\/p>\n<h3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"1egokkg\" data-start=\"481\" data-end=\"521\">About the author: Larissa Wasserthal<\/h3>\n<p data-start=\"523\" data-end=\"765\">Larissa Wasserthal writes for Wasserthal RareCoin.Store about modern numismatic gold coins, grading, rarity, and collector value. In Cooper&#8217;s Coin Academy, she combines numismatic expertise with easily understandable explanations for collectors. <\/p>\n<h3 data-section-id=\"1ttuxn7\" data-start=\"767\" data-end=\"786\">Who is Cooper?<\/h3>\n<p data-start=\"788\" data-end=\"1015\">Cooper is the Labrador of Wasserthal RareCoin.Store and the junior numismatist of <strong data-start=\"874\" data-end=\"899\">Cooper&#8217;s Coin Academy<\/strong> . In his lessons, he explains numismatic basics in an understandable and sometimes slightly unusual way. \ud83d\udc3e<\/p>\n<h3 data-section-id=\"177e4j2\" data-start=\"1017\" data-end=\"1065\">Recognizing and correctly classifying minting errors<\/h3>\n<p data-start=\"1067\" data-end=\"1414\">Unusual features do not automatically make a coin a genuine minting error. The crucial factor is whether the deviation actually occurred during the manufacturing process and remains technically traceable. Further information can be found in the <a class=\"decorated-link\" href=\"https:\/\/rarecoin.store\/en\/coopers-coin-academy-learn-with-the-junior-numismatist\/\" rel=\"noopener\" data-start=\"1327\" data-end=\"1413\"><strong data-start=\"1328\" data-end=\"1353\">Cooper&#8217;s Coin Academy<\/strong><\/a> .  <\/p>\n<p data-start=\"1416\" data-end=\"1656\">Related to this lesson: <a class=\"decorated-link\" href=\"https:\/\/rarecoin.store\/en\/coopers-dirty-nose-chronicles\/\" rel=\"noopener\" data-start=\"1442\" data-end=\"1512\"><strong data-start=\"1443\" data-end=\"1477\">Cooper&#8217;s Dirty Noses Chronicles<\/strong><\/a> \u00b7 <a class=\"decorated-link\" href=\"https:\/\/rarecoin.store\/en\/coopers-coin-academy-counterfeit-detection\/\" rel=\"noopener\" data-start=\"1515\" data-end=\"1656\"><strong data-start=\"1516\" data-end=\"1575\">Counterfeit Coin Detection<\/strong><\/a><\/p>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Recognizing minting errors in coins primarily means distinguishing genuine mint errors from later damage or manipulation. Hello everyone! Professor Cooper here. \ud83d\udc36\ud83c\udf93 It&#8217;s great to have you back at my Academy. Today things are going to get really exciting, because we&#8217;re embarking on a curious investigation: What actually happens when something goes wrong during the&#8230;<\/p>\n","protected":false},"author":49,"featured_media":214188,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-214185","page","type-page","status-publish","has-post-thumbnail","hentry"],"taxonomy_info":[],"featured_image_src_large":["https:\/\/rarecoin.store\/wp-content\/uploads\/2026\/02\/Mint-Errors-When-the-Coin-Press-Gets-the-Hiccups-1-1024x576.jpg",1024,576,true],"author_info":{"display_name":"Larissa Wasserthal","author_link":"https:\/\/rarecoin.store\/en\/author\/larissa_wasserthal\/"},"comment_info":0,"permalink_manager":null,"_links":{"self":[{"href":"https:\/\/rarecoin.store\/en\/wp-json\/wp\/v2\/pages\/214185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rarecoin.store\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/rarecoin.store\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/rarecoin.store\/en\/wp-json\/wp\/v2\/users\/49"}],"replies":[{"embeddable":true,"href":"https:\/\/rarecoin.store\/en\/wp-json\/wp\/v2\/comments?post=214185"}],"version-history":[{"count":0,"href":"https:\/\/rarecoin.store\/en\/wp-json\/wp\/v2\/pages\/214185\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rarecoin.store\/en\/wp-json\/wp\/v2\/media\/214188"}],"wp:attachment":[{"href":"https:\/\/rarecoin.store\/en\/wp-json\/wp\/v2\/media?parent=214185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}