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Re: Rockwell test
@MasonG, @DCW, @jmlanzaf Here is one from 1944 wheat penny. T and R were distorted. And R is somewhat faint and is about 1.5 times larger in size. These are, I believe, impossible to simulate on a st… (View Post)2 -
Re: Real Rockwell Hardness Test Marks on Coin
@JBK Post: It's already been explained. You chose to ignore inconvenient information. What did you explain? You keep repeating the same thing; it is PMD without responding to my question, which is ho… (View Post)1 -
Re: Real Rockwell Hardness Test Marks on Coin
@DeplorableDan post: Thanks for putting up that photo. People can see what man-made damage looks like. (View Post)1 -
Re: Real Rockwell Hardness Test Marks on Coin
Everyone, who made a comments here, thinks it is PMD. But no one has provided how those damage could be produced on a minted coin. Why is that? (View Post)1 -
Re: Real Rockwell Hardness Test Marks on Coin
The photo shown by @silviosi was from a 1971-S Lincoln cent. I believe that one is a genuine and real Rockwell test mark. I give due respect to the late Mr. Devine for his keen scientific insight, re… (View Post)1