Vintage Hammer Brand Switchblade Folding Knife

Antique American Switchblades

Spring Gun, Ammo, and Sportsman Live Auction - Valparaiso,IN

Vintage Hammer Brand Grey Swirl Switchblade Knife

Hammer Brand + Colonial Shur Snap Auto Knives - Retro Knives

Vintage American Switchblade Knives

Vintage HAMMER Brand USA Automatic Push-Button Jack Knife Switchblade

OF GOOD KNIVES IN OUR LIVES - Of Somerset, Texas and Places South of The Medina

HAMMER BRAND PROVI. RI. 1945-55 UTILITY 3 /2 JACK VINTAGE AMERICAN AU – Latham's Vintage Sales

VINTAGE HAMMER BRAND USA CRACKED ICE SWITCH BLADE BUTTON KNIFE (RV97)

Vintage HAMMER Brand U.S.A. Switchblade knife

Sold at Auction: Vintage Edgemaster Green Handle Switchblade Knife