Hammer Brand USA (Imperial) Cracked Ice Switchblade Knife

Hammer Brand USA (Imperial) Cracked Ice Switchblade Knife - Cracked Ice Shell Handles - No Cracks - Operates as designed - Has very little play in the open and locked position - Has some pitting

Old Jack Knife

Vintage Hammer brand Pocket Knife - collectibles - by owner - sale - craigslist

Old Pocket Knives - Ireland

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

The Blade Blog: Display cards for pocket knives

Vintage Imperial Hammer Brand Toothpick U.S.A. Switchblade Knife

Hammer Brand Knife - Canada

Hammer Brand USA (Imperial) Candy Stripe Switchblade Knife

Imperial Hammer Brand Switch Blade Knife C. 1950