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Old July 28, 2010, 06:10 PM   #13
Senior Member
Join Date: September 19, 2008
Posts: 4,678
[Is there a link to information explaing which marks explain the information you know?]

Bob - Here's a link to the BlueBook's pages on Proof Marks, which is only once source of info.

Scroll down to the German section, for some, but not all, German proofs.

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