7403-151 G. DERCK wedge-arm tongue plane. Unrated and appears to be the plane described in AWP that is 13-5/8" long with diamond shape strike button at toe, cuts 1/4" tongue, open tote, sole has iron plates at toe and heel with one of the plates missing at the toe. One wedge missing as well and one shoulder screw is a replacement. Overall wear and checking to wood, 1-5/8" with partial mark that looks like "H. Hertsmass." Derck was a maker in the Mahontongo Valley, PA, circa 1800. Good- (HWM183) 75-150