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Ball Hamilton Pocket Watch Grade 999P 21 Jewel Official Railroad Standard Housed in this Ball Model 10K Gold Fill Case circa 1925 - The Pocket Watch Guy
RailsWest.com Ball Watch Co.
Lot - Ball Watch Co., Brotherhood of Railroad Trainmen pocket watch
rniederman.... 1918 Ball RailRoad Official Standard Pocket Watch | Collectors Weekly
Ball Hamilton Grade 999P - The Pocket Watch Guy
Ball Antique 16s Brotherhood BLE 17 Jewel Railroad Pocket... for £2,021 for sale from a Seller on Chrono24
RailsWest.com Ball Watch Co.
Webb C. Ball's Standard Railroad Dial - Pocket Watch Database Blog