Ken Potter's Educational Series ...
Diagnostics Of The 1979-S &
1981-S Proof Coins
How Do I Know If It's a Ty-1 or Ty-2?
by Ken Potter - NLG
As most collectors know, there are two Mint mark varieties known for both the 1979-S and 1981-S Proof coins with the so-called Type-2 being quite valuable on both dates of the Susan B. Anthony dollar and the 1981-S cent. The Kennedy halves have also done fairly well for both dates. The trouble is that many collectors have trouble distinguishing one Mint mark variety from the other. That is the purpose of this guide! Good Luck!
1979-S Proof Mint Marks
1981-S Proof Mint Marks
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Numismatist Since 1959 ~ Serving
the Collector Since 1973
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