Vintage Hammer Brand USA Switchblade Knife

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Vintage Imperial Brand Switchblade Folding Knife

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Vintage Hammer Brand USA Pocket Knife 1945-1955 Celluloid Handles great Gift Idea

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Hammer Brand Knife

Hammer Brand + Colonial Shur Snap Auto Knives - Retro Knives

Antique American Switchblades: Identification & Value Guide: Erickson, Mark: 9780873497534: : Books