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<p>[QUOTE=&quot;iPen, post: 2300974, member: 69760&quot;]How do you tell if a coin is an &quot;older&quot; matte proof coin as opposed to an uncirculated business, proof-like, or one of the first business strikes using fresh dyes, all of which may have decently or similarly high reliefs and have simply tarnished to give a tarnished appearance? I know that common examples are the 1922 Peace Dollar matte proof high and low relief coins, but besides that coin which has a lot of research and info on it already, and including older (early 20th century) world coins, how does one go about identifying older matte proof coins?</p><p><br /></p><p>Would a surefire way to test this is to see if the coin gets &quot;shiny&quot; when the tarnish gets removed?</p><p><br /></p><p>If it&#039;s not &quot;shiny&quot; underneath the tarnish and the relief is &quot;moderate&quot; or the same as a business strike, could it simply be a worn out proof variety that may have ended up in circulation? Then wouldn&#039;t measuring the relief heights and comparing them to known examples of both strikes prove inconclusive?</p><p><br /></p><p>Can you polish a matte proof minted coin?</p><p><br /></p><p><br /></p><p>I ask these questions so that I may be better informed of raw coin purchases, which may have a variety of different characteristics that may or may not indicate a rarer matte proof variety of the coin. I don&#039;t intend to ever polish or clean my coins - in contrast, previous owners may have done who knows what to the coins that may actually help to better ID a possible matte proof variety of a given coin. </p><p><br /></p><p>Thanks in advance.[/QUOTE]</p><p><br /></p>

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