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Popular Manufacturers:
Aurora Ball Columbus Elgin Hamilton Hampden E. Howard Watch Co. (Keystone) E. Howard & Co. Illinois Lancaster Manistee Marion U.S. Watch Co. New York Watch Co. New York Standard Rockford Seth Thomas South Bend Tremont & Melrose Waltham

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Aurora
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Elgin
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Hampden
E. Howard Watch Co. (Keystone)
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Lancaster
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Manistee
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Marion
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U.S. Watch Co.
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Unknown (J.P.C.)

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Ephemera

Unknown (J.P.C.)

Initial Marking: J.P.C.

Years of Operation: -

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