'proof' Grade Always Stays When Circulated? How To ID Them..

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Author	Replies: 7 / Views: 1,546
mdpmedia Pillar of the Community United States 3546 Posts	Posted 12/12/2015 2:18 pm 1) How does one determine when a well circulated coin's mirrored field does qualify it to be classified as a proof coin? 2) What tests besides reviewing PCGS page below can one implement to find out these qualifying factors for PL grade etc...? http://www.PCGS.com/grades ('surface PL-prooflike') 3) Can any coin ever lose its original mint-assigned proof designation-grade as a result of the accumulation of excessive abrasion and/or wear? 4) Does a web site, for example, exist having all of the applicable criteria to use for any coin in question requiring proof state designation? Depending upon the above responses these questions could be justified because some kid needing cigarette money, for example, could have stolen grandpa's prized collection of very low mintage, early 1900s proof coins valued at $ 10,000... Then an uninformed 7/11 cashier cig. vendor could have put these coins back into circulation etc... Report this Post to the Staff

ChildOfTheWheat Pillar of the Community United States 5828 Posts	Posted 12/12/2015 2:25 pm "Proof" is not a grade, it is a type of minting. Even in the lowest grade possible, if the coin can be proven to be a proof strike it is a proof coin. Grade does not matter. Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 12/12/2015 5:02 pm Correct. Many circluated proofs can only be confirmed by their die characteristics. Report this Post to the Staff
CoinHuntingDrew Pillar of the Community United States 4932 Posts	Posted 12/12/2015 7:56 pm Once it's proof, it's always a proof. Report this Post to the Staff
BStrauss3 Pillar of the Community United States 4593 Posts	Posted 12/12/2015 8:28 pm If it's provable to be a proof (say only proofs were struck or there are unique die characteristics), and it has circulation wear, it's called and impaired proof. Still a proof, but a grade less than 60. -----Burton 50+ year / Life / Emeritus ANA member (joined 12/1/1973) Life member: Numismatics International, CONECA Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club Owned by three cats and a wife of 40+ years (joined 1983) Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/ Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21788 Posts	Posted 12/12/2015 9:42 pm A proof coin will always be a proof coin. If it has been in circulation, it will suffer the damage that any coin in circulation will suffer from, and then will be an 'impaired proof'. I agree that most proof coins from around the World made before 1950 are best identified from their die variety characteristics, especially if they have seen extensive circulation. All of these sorts of proofs don't have polished fields or frosted details, made for the NCLT market. I dunno the formal rules, but I would grade any proof coin that has circulated as I would any business strike coin, and simply add the comment 'impaired proof' to the grading. For example: 'AU55, impaired proof'. I have even found pad printed NCLT colourized coins in circulation, and have graded them in the same manner. No big deal for me! Report this Post to the Staff
yotie Pillar of the Community United States 3077 Posts	Posted 12/12/2015 10:26 pm don't think it is an AU but a PR 50 Report this Post to the Staff
coin197 Pillar of the Community United States 1963 Posts	Posted 01/18/2017 12:36 am Quote: don't think it is an AU but a PR 50 Correct! Report this Post to the Staff
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