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Originally Posted by bojous My question specifically was directed at those coins that were struck as mmless proofs prior to the year when the Philadelphia mint began marking it's issue (ex. 1971 Jefferson).
The gist of my question was how would one distinguish a mmless proof that has been in circulation for 3-4 decades from a business strike of the same year, minted at Philly before the Philly mint began marking it's coins. |
There were 1,655 1971 "No S" proof nickels minted.
On rare occasions you will hear of someone finding a proof coin in circulation.
This is usually the result of someone using a stolen collection for cash, or dealers putting impaired proofs into circulation.
I would have to think that the odds of there being any 1971 "No S" proof nickels in circulation are so astronomically low, that it isn't worth considering.