WW2 German, Soviet, Allied militaria, uniforms, awards, weapons history. War relics forum
Finnish Contract German M40 WWII Type Steel Helmet - Atlanta Cutlery Corporation
Finnish M40/55 : r/Helmets
Military Helmet WW2 Bulgarian Army Helmet Collectable Helmet - Etsy 日本
Original M40/M55 Finnish Helmet LinerのeBay公認海外通販|セカイモン
Original Finnish WWII M40 M55 Steel Helmet GG4055 - Etsy
Finnish M40/55 contract helmets, one is the last M40 clone produced with 3 holes for split pins to mount a liner, after that the M53 was developed. Other shell is M40/55 helmet