IMPERIAL Toothpick Cracked Ice Vintage switchblade knife JM90PBC

Vintage Imperial toothpick style cracked ice switchblade knife, made in Providence, RI in the 1950s by the Imperial Knife Co and designated the model JM90PBC. The knife measures 4.25 inches closed and 7 5/8 inches open and has brass liners with steel button and safety. The blade is 98% full or better with the original factory finish intact with a lightly pitted area on the front and is marked Imperial PROV USA on the front and the back is marked with two patent numbers 2170537 and 2281782 on the back tang. The scales are hollow metal with cracked ice (faux pearl) celluloid wraps that are in like new condition. The knife works like new with blade tip deep in the well closed, good snap and TIGHT lockup! Safety works. Ex+ condition.