Exhibition-size Pocket Knife attaché_cases This box opener has a

This box opener has a silver plated steel blade with a notch a third of the way down

Dimensions: 12 cm/4¾ inches (diameter) x 12

Example from a collection of vintage motoring and flying goggles

Dimensions: 26

Originally designed to store cigarettes

Exhibition-size Pocket Knife attaché_cases This box opener has aAmazing giant size version of a pocket knife with sprung folding steel blade and wooden sides. When opened it measures nearly four feet long! Likely to have been made as a promotional display item for a nineteenth century trade show such as 'The Great Exhibition'. Circa 1870. Dimensions: 25 inches 64 cm (length when closed)