NGC (www.ngccoin.com) has discovered what may be the first error in the America the Beautiful five ounce series. The coin, a 2010-P Yellowstone, has a matte Specimen finish on the Washington side and a brilliant, lustrous finish on the other. This error appears to be unique at present, but it is possible that others await discovery.

There are two types of America the Beautiful five ounce coins issued by the Mint: a lustrous bullion version and a matte collector version. The collector version, designated Specimen by NGC, is produced by the same method as the bullion edition except that it is vapor-blasted in the final stage. These Specimens are also distinguished by a “P” mintmark.

yellowstone error 5oz thumb NGC Certifies 2010 P Yellowstone 5 Ounce ErrorThe vapor-blasting process is applied after the coins are struck by “blasting” a compressed mixture of water vapor and ceramic media. On this error, only the Washington side was vapor-blasted but the Yellowstone side was untouched. The Washington side therefore resembles a Specimen while the Yellowstone side appears similar to a bullion issue.

NGC has graded this error Specimen 69 and the description “With Unfinished Reverse” is given on the label. The coin was discovered while grading a bulk submission of Yellowstone five ounce coins.

NGC had recently identified a 2010-P Grand Canyon five ounce variety, which has a lighter finish than the typical Specimen issues. Those coins are considered varieties as the Mint seems to have made a conscious attempt to use a different type of vapor-blasting, while the Unfinished Reverse Yellowstone is undoubtedly a Mint error. NGC may be contacted by writing to P.O. Box 4776, Sarasota, FL 34230 or by calling toll-free at 800-NGC-COIN (642-2646). NGC’s email address is Service@NGCcoin.com.

About Numismatic Guaranty Corporation (NGC)

NGC, the world’s largest and most respected third-party coin grading service, was founded in 1987. From the beginning, NGC has committed itself to developing an impartial, trusted standard of consistent and accurate grading. To uphold this commitment, NGC’s full-time grading experts are no longer active in the commercial coin marketplace, and are prohibited from buying or selling coins to ensure impartiality. As NGC has grown to become the leader in third-party grading services, we have maintained a steadfast and uncompromising commitment to this standard.
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2 Comments

  1. itsme says:

    I was one of the ones who first found this light finish, there are others to be reported as NO VB on either side. The one I have recieved you can tell IN HAND compared to any other one the Obverse got the VB blast But very Lightly and your right the reverse looked like a mirror. Never did hear back from pcgs as they are the ones I sent mine too. There were 6 reported from MCM as they sent in 100. Sure there are more out there. But an order placed after these were discovered was fully matted VB. So I believe these were in the first batch sent out. NOw If you go watch the mints video of these being made it CLEARLY shows a P on a Coin with NO VB. Which could mean the ones without any blast never went thru the VB process. And the light blast who knows something went wrong and its very noticeable in hand, there are cries that the light blast is not news worthy I do agree the ones without ANY VB are more news worthy but still feel the light finish ones have a place too………..

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