Saturday, October 03, 2020

A Gem Dealer’s Journal

An interview with Robert Weldon, Director, GIA's Richard T. Liddicoat Gemological Library & Information Centre.

Useful link: https://www.asialounges.com/blogs/a-gem-dealers-journal/a-gem-dealer-s-journal-interviewing-the-trade-s-librarian-robert-weldon

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