Iver Johnson Hammer, .22 caliber, Model 1900, U.S. Revolver, Solid Frame

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Iver Johnson Hammer, .32 S&W, Model 1900, U.S. Revolver, Solid Frame

Iver Johnson Model: 1900, Double Action Revolver Hammer

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Iver Johnson Hammer, .32 S&W, Model 1900, U.S. Revolver Part - Hammer Screw - N3