And what if I phrased my question in this way?: If the coin below was minted today, would it be considered as a proof? Or, would it be a deep...
I'm thinking that there are at least three subsets of what defines a proof: + Proofs made intentionally for collectors, + Proofs made as...
I've seen some early 20th century examples, but are there any older examples from anywhere around the world? What's the earliest? Similarly, I'm...
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