Trade Marks Watch Cases Pocket Watches Diamonds Roy Ehrhardt 1976 128 Pages

Trade Marks Watch Cases Pocket Watches Diamonds Roy Ehrhardt 1976 128 Pages

Outstanding collector and dealer reference by noted horological author Roy Ehrhardt. Trade Marks: Watch Cases, Pocket Watches, Precious Stones, Diamonds is a comprehensive guide covering trademarks, hallmarks, watch case markings, pocket watch manufacturers, precious stones, and diamond identification information. Originally published by Heart of America Press in 1976, this illustrated reference remains a valuable resource for watch collectors, jewelers, appraisers, and antique dealers.

The book contains numerous illustrations, trademark reproductions, and identification references designed to assist in authenticating and researching vintage watches, watch cases, and jewelry-related markings.

Book Details
Title: Trade Marks: Watch Cases, Pocket Watches, Precious Stones, Diamonds
Author: Roy Ehrhardt
Publisher: Heart of America Press
Publication Year: 1976
ISBN-10: 0913902063
ISBN-13: 9780913902066
Size 11" by 9"
Pages: 128
Illustrated Edition
Softcover / Comb Bound Reference Guide
English Language
Features
Watch case trademark identification
Pocket watch manufacturer marks
Hallmarks and case markings
Diamond and precious stone information
Historical trademark references
Collector and dealer resource

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