Press Button Knife Co White Mountain Ivory Celluloid Antique automatic knife

Antique Press Button Knife Co White Mountain #107 medium double with Ivory celluloid handles (scales) made in Walden, NY sometime between 1892 and 1923. The knife measures 3 3/8" closed and 6 3/4 inches with both blades open and has brass liners and nickel silver buttons. It is the middle one of three sizes of switchblade doubles made by the company. The spear/pen blades both have loss from sharpening over the years and heavy patina and some spotting at about 94% full. Both blades are marked PRESS BUTTON KNIFE CO WALDEN NY on the front of the tangs and backsides are blank. The smooth ivory cell scales are in good condition with some handling/use marks with advertising: "White Mountain Refrigerators" on the front and "The Chest With the Chill in it" on the backside. The knife works well with both blade tips below the liners closed, good snap and good lockup with some movement at the tips, but NO rattle if shaken with blades open. Hardly any kickback.  VG condition.