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Warman's U.S. Stamps Field Guide
Confederate stamps tell a tale of their own - Antique Trader
U. S. Stamps - Warman's Field Guide by Maurice Wozniak, Paperback
Blue Mauritius by: Helen Morgan - 9781782397748
The Official Blackbook Price Guide to U.S. Postage Stamps, 26th
Warman's U.S. Stamps Field Guide
Warman's Zippo Lighters Field Guide (2006) - Baumgartner, Dana - LastDodo
Stamp Collcting: A Beginner's Guide to Basics of Discovering
APRL New Resources August 2023
2289:: Books, Warman's Pattern Glass: A Value and Identification Guide ISBN 0873419502. by Ellen T. Schroy - Mark C. Grove
Ten Things You Didn't Know: Philatelic Facts - Antique Trader
2022 Brookman Retail Price Guide for US, UN & Canada Postage