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
Amazon.com: Original German M40 WWII Type Steel Helmet- Finnish M40/55, Size 57cm, US 7 1/8 : Automotive
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Original Finnish WWII M40 M55 Steel Helmet GG4055 - Etsy
Thousands of WWII German-made helmets discovered in Finland - Military Trader/Vehicles
Finnish M40/55 Helmet - YouTube
My Finnish M40/55 post WWII Stahlhelm (contract by Finland for helmets but produced in the same factories as German M40's during the war) : r/Militariacollecting
Bullard FX Firedome Helmet
Original Finnish M40/55 WWII Type Steel Helmet Made by Germany, 58cm, US 7 1/4 | eBay
Amazon.com: Original German M40 WWII Type Steel Helmet- Finnish M40/55, Size 57cm, US 7 1/8 : Automotive
WW2 German, Soviet, Allied militaria, uniforms, awards, weapons history. War relics forum
Original German M40 WWII Type Steel Helmet- Finnish M40/55 Contract - – International Military Antiques
Amazon.com: Original German M40 WWII Type Steel Helmet- Finnish M40/55, Size 57cm, US 7 1/8 : Automotive
Respirators, Ballistic and CBRN Protection | Avon Protection
Amazon.com: Original German M40 WWII Type Steel Helmet- Finnish M40/55, Size 57cm, US 7 1/8 : Automotive