RogerB ✭✭✭✭✭

Ahhhh...then if the result was undetectable, it was invisible and could not be detected even if detected but it wasn't. Or do you mean: "PLANS FOR CLEANER PAPER CURRENCY" "The sub… (View Post)

You mean "bullion dealers" ? Gaaaa -- run the other way! ;) (View Post)

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BryceM's insights are certainly valid and could be extended deeply into the metallurgical consequences of sudden overpressure on crystal structure at various layers of a coin. For example Willia… (View Post)

How long have TPGs been designating PL on large gold? Are the standards the same as for Morgan dollars? (View Post)