So I'm getting a little hung up on figuring out how to spot double dates. I am struggling on what to look for when looking at the dates to determine RPM's or PMD's. If there are any lines or markings within the mint marks - would that be a real good indicator? Thoughts or any help?
(I am putting a couple pictures listed below as examples on where I am getting hung up on)
I think you should go to Variety Vista, Wexlers and Copper Coins. Those sites will help you , they have good pictures and a good explanation of what to look for.
One coin per thread please. Please remove coins from holders before taking pics whenever possible. I see no RPM on those coins. There are many types of doubling we all need to learn,here is a link to bookmark and study:https://koinpro.tripod.com/Articles...Doubling.htm John1
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