Remington R17 Pullball SOO LINE Railroad Onyx with Amber ball vintage automatic knife

Remington R17 Pullball SOO LINE Railroad Onyx with Amber ball vintage automatic knife. This knife was made by the George Schrade Knife Co of Bridgeport, CT sometime between 1937 and 1944 under contract for Remington Arms Co, also of Bridgeport, CT. Knife measures 2 7/8" closed and 5 inches open including the ball with brass liners. The blade is full  and shiny and is stamped Remington PAT 11-9-37 on the front and R17 on the back tang (pattern number). The Onyx synthetic scales are in nice condition with advertising for the SOO LINE Railroad on the back scale. Knife works perfectly. EX+ condition.