Max Told Us.

Notice of Upcoming Content and Access Change

The Museum is working on the future of our online collections access. A new version will be available later in 2023. During this transition period, the current version of the Collections Browser may have reduced functionality and data may be not be updated. We apologize for any inconvenience this may cause. For any questions or concerns, please contact us.

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.