COLONIAL SHUR SNAP JUMBO JACK #3301 Black automatic knife

Vintage Colonial SHUR SNAP Jumbo jack switchblade knife made by the Colonial Knife Co of Providence, RI in the late 1950s and designated the model #3301. This knife is the largest switchblade made by Colonial measuring 5 inches closed and 8.75 inches open with brass liners. The saber grind clip blade is stamped SHUR-SNAP COLONIAL PROV USA and is nearly full and shiny. The Black imitation stag synthetic scales are in great condition with minor shrinkage on sides. Works well with blade tip deep and centered, opens fully and good lockup with about 1/8" up and down at the tip and slight side to side. Rattles if shaken with blade open. Safety works. EX condition.