Thread: Proof Marks On Commercial DWM
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Unread 03-18-2017, 12:13 PM   #1
Mike K.
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Default Proof Marks On Commercial DWM
Greetings,

Can one of the members please identify for me these proof marks on an early DWM? One number appears to be 30 and the other just a number 3.

Thanks in advance.
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