Impressed marked on right side of blade is MODEL 1917. Left side is impressed PLUMB / PHILA. / 1918.  The P's are only partially visible. The leather tip of the scabbard is impressed stamped C.W.E. Overall length of knife is 15-1/8 inches. Blade length is 10-1/4 inches. Handle is 4-5/8 inches long. The knife weight without scabbard is 1 pound 7.6 ounces.