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 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 and steel bolsters & brass button. The saber grind clip blade is stamped SHUR-SNAP COLONIAL PROV USA and is 100% full and very shiny with several tiny pock marks. The Black imitation stag synthetic scales are in great condition with no shrinkage. Works well with blade tip deep and centered, opens fast with great lockup with less than 1/16" up and down at the tip. Does not rattle if shaken with blade open. Safety works. EX+ condition.