Francismary ✭

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Re: Real Rockwell Hardness Test Marks on Coin

Francismary

January 12, 2024 12:46PM

The photo shown by @silviosi was authenticated by late "Lonesome" John Devine according to a section 'Rockwell Test Mark in Planchet', in Pre-Strike Damage (now I know the proper … (View Post)

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