Case "tested" era 1920 - 1940 cokebottle is in excellent condition. The Case C91050 is 5 1/8 inches in length closed.Find this knife in Sargent's 7th edition of Knives and Razors on page 201. The flat blade is full and has hard snap and is tight. The tang stamp is sharp and pretty. There is a tight center pin crack on the mark side that is not very obvious without magnification. This is a very nice knife and the composition handle is stable and beautiful. Please ask questions if you like. Case Tested XX 1920 1940 pattern 91050 coke bottle flat blade pocketknife" is in sale since Saturday, April 07, 2018. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Vintage Folding Knives\Factory Manufactured". The seller is "73-ag" and is located in Hubbard, Texas. This item can be shipped to United States.