This is a Full Set of Three Imperial and One Hammer Brand (they were all made by Imperial in the same factory at the same time) 1-Blade Texas Toothpick Folding Pocket Knife, or as Imperial
Imperial Carbon Steel Blade Vintage Knives 1 Blades for sale
Imperial Toothpick Collectible Folding Knives for sale
Full Set of 4 Imperial or Hammer Brand Toothpick Pocket Knives w/Foil Covers & Outdoor
Vintage Imperial PROV USA Texas Toothpick or Fishing Knife w/Foil Scales Swordfish c.1946-1956
Vintage Imperial Hammer Brand Candy Stripe Utility Jack U.S.A. Switchblade Knife
Hammer Brand Knife - Canada
How to Buy a Good Pocketknife or Multitool – Scout Life magazine
Vintage Hammer Brand Button Lock Toothpick Pocket Knife
My grandfather's knife collection : r/knives
Toothpick Vintage Knives 1 Blades for sale
Beige Vintage Folding Knives 1 Blades for sale
Imperial Hammer Brand Switch Blade Knife C. 1950
Vintage Jackknife - Canada
Hammer Pocket Knife