1.
Waltham Pocket Watch Identification and Price Guide Using Serial Numbers and Pictures of Wal...
by Ehrhardt, Roy
ISBN: 9780913902172
List Price: $25.00
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American Pocket Watches Identification and Price Guide Beginning to End 1830-1990
by Ehrhardt, Roy, Hernick, Jam...
ISBN: 9780913902530
List Price: $35.00
4.
Patek Philippe: Wrist Watches, Pocket Watches, Clocks : Identification and Price Guide : Ret...
by Roy Ehrhardt, Joe Demesy
ISBN: 9780913902608
List Price: $50.00
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European Repeaters and Clock Watches With World Auction Estimates
by Ehrhardt, Roy
ISBN: 9780913902721
List Price: $35.00
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Clock Identification and Price Guide, Book 3
by Ehrhardt, Roy, Rabeneck, Ma...
ISBN: 9780913902509
List Price: $35.00
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Clock Identification and Price Guide Book 1
by Ehrhardt, Roy, Rabeneck, Ma...
ISBN: 9780913902233
List Price: $35.00
8.
Foreign & American Pocket Watch Identification & Price Guide
by Ehrhardt, Roy
ISBN: 9780913902165
List Price: $35.00
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Vintage American and European Wrist Watch Price Guide/Book 2
by Sherry Ehrhardt, Roy Ehrhar...
ISBN: 9780913902561
List Price: $35.00
10.
American Clock Book No. 4: Price Guide (American Clock Book)
by Ehrhardt, Roy
ISBN: 9780913902981
List Price: $100.00
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American pocket and wrist watch balance staff interchangeability list
by Townsend, George, Ehrhardt,...
ISBN: 9780913902523
List Price: $25.00
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Encyclopedia of old pocket knives;: Price guide to 500 knives
by Ehrhardt, Roy, Ehrhardt, Larry
ISBN: 9780913902073
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1987 Price Guide for Vintage American and European Wrist Watch Price Guide
by Ehrhardt, Sherry L., Ehrhar...
ISBN: 9780913902554
List Price: $15.00
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Price Guide to 2000 Winchester and Marble's Hardware Collectibles
by Larry Ehrhardt, Roy Ehrhardt
ISBN: 9780913902080
List Price: $25.00
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Rockford Watch Company Grade and Serial Numbers With Production Figures
by Ehrhardt, Roy
ISBN: 9780913902110
List Price: $25.00
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Ehrhardt and Meggers Railroad Watches Identification and Price Guide
by Ehrhardt, Roy
ISBN: 9780913902882
List Price: $35.00
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Encyclopedia of Pocket Knives/Books 1 and 2 With Price Guide
by Ehrhardt, Roy, Ferrell, Jack
ISBN: 9780913902028
List Price: $25.00
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Everything You Wanted to Know but Didn't Know Who to Ask
by Ehrhardt, Roy, Townsend, Ge...
ISBN: 9780913902387
List Price: $25.00
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F. Kroeber Clock Co. Identification and Price Guide
by Rabeneck, Malvern, Ehrhardt...
ISBN: 9780913902493
List Price: $20.00
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Foreign Clock Price Guide Book 5
by Ehrhardt, Roy, Rabeneck, Ma...
ISBN: 9780913902714
List Price: $35.00
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Foreign Clocks Identification and Price Guide : Book 4
by Roy Ehrhardt
ISBN: 9780913902707
List Price: $35.00