How To Tell The Difference Between 1970 No S Proof And 1970 Philadelphia? - Page 2

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Dearborn Moderator United States 97379 Posts	Posted 11/30/2024 8:24 pm it is easy to tell a proof from a business strike. a proof die AND planchets are prepared differently - to a higher standards when would be for a normal business strike coin that is intended for commerce (spending, dropping in a parking lot or other types of coin torture. Here have a look: a 1970-S Proof cent and now a 1970-S Business strike Collecting since 1972. Learning from then on "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin 7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars Eisenhower-Dollars Kennedy-Half Dollars Washington-Quarters Roosevelt-Dimes Buffalo-Nickels 1938-2005 Jefferson-Nickels Lincoln-Cents Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 11/30/2024 8:27 pm Nice presentation, well done. Report this Post to the Staff
Brandmeister Pillar of the Community United States 6556 Posts	Posted 11/30/2024 9:06 pm Quote: I know the San Francisco 1970 is supposed to have an S, but for the error no matter how rare it might be to find I scoured Google for a 1970 No S cent and found nothing. Can you post a link? Quote: I'm talking about the 1970 No S San Francisco penny that can be discovered in a ten piece Mint set that contains coins from all three mints P,D & S This 1970 United States Mint set is the 12th year of issue. It includes 10 coins, consisting of the nickel, dime, quarter struck at the Philadelphia and Denver Mints, the cent was struck at San Francisco, Philadelphia and Denver Mints with the half dollar struck only at the Denver Mint. The uncirculated set with three business strike cents (P/D/S) was obviously assembled with all the coins together somewhere. If you found two 1970 cents with no mint mark, and the 1970-S was missing, then I would interpret that as someone accidentally placing two Philadelphia cents into the packaging. It seems like a leap to assume that there would be a No S business strike cent in that situation, because it can be so easily explained by simple manual error. In contrast, the 1970 No S proof dime cannot be explained as anything other than a missing mint mark, because dime proofs were only struck in San Francisco. Report this Post to the Staff
Greasy Fingers Pillar of the Community United States 7068 Posts	Posted 11/30/2024 10:32 pm PEOPLE poster is asking about business struck cents (that being said) Quote: How can you tell the difference between a 1970 No S Lincoln Cent from San Francisco, compared to a basic 1970 Philadelphia Lincoln Cent? If this cent did exist there would be NO WAY TO TELL the difference....because in 1970 all dies were made in Philly then divided up and shipped to Denver and San Francisco and from there the mint marks would be applied to the die (by hand) and that's also what gives us variety coins with an RPM (re-punched mint mark) Report this Post to the Staff
Zurie Pillar of the Community United States 5676 Posts	Posted 11/30/2024 10:47 pm There is absolutely no difference between business strike cents minted in Philly or San Francisco other than the mintmark. So if a 1970 Lincoln Cent has no mintmark, you can assume it was minted in Philadelphia. Report this Post to the Staff
Dykil93 Valued Member United States 120 Posts	Posted 11/30/2024 10:52 pm Ok, My confusion is answered. Very informative, thank you! Also nice pictures and that also makes sense how the rpm's are produced, always wondered and never put two and two together. The different varieties have me curious about the small date and large date 1970 s business and proofs strikes. So many variations of error possibilities. Thank you! Report this Post to the Staff
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