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What is the difference between the PL, DPL and DMPL designations?

April 26, 2017designations dmpl dpl PL

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What is the difference between the PL, DPL and DMPL designations?

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DPL is the same as DMPL. NGC simply refers to ‘deep mirror proof-like’ coinage with the DPL designation, and PCGS uses ‘DMPL’. ANACS uses ‘UDM’ (Ultra deep mirrors) for the same thing. PL is used by all grading services to designate a lighter degree of proof-like surfaces.