Max Told Us.

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Gelfius, Hal.
Published In: 
The Hobstar, v. 37, no. 8 (May 2015), pp. 6370-6372, ill.
Bib ID: 
Find this in the library
Call Number: 
PER NK5112 .H68
Review of authenticity checks, such as fluorescence, signature, blank, weight, wear marks, and diamond wheel cutting. Includes a list of the most frequently counterfeited patterns.