Edgemaster USA Fatjack Brass Vintage 1950s American automatic knife

Edgemaster USA Fatjack Brass Vintage 1950s American automatic knife made by the Federal Knife Co of Providence, RI. The knife measures 4 inches closed and 6 7/8 inches open with brass liners and scales (handles) with steel button & lanyard ring and nickel silver safety. The clip blade is 100% full and shiny and the tang is stamped Edgemaster USA. The brass stamped hollow scales are in wonderful condition. The knife works great with blade tip deep & centered, good snap and very good lockup open with about 1/8" up and down at the tip. EX condition.