From Behind the Iron Curtain: Communist Bloc Helmets - Military Trader/Vehicles
Soviet Era steel helmet M40 - military surplus | Military Surplus \ Used Equipment \ Armour & Protection militarysurplus.eu | Army Navy Surplus - Tactical | Big variety - Cheap prices
File:WW2 Soviet Russian Red Army summer uniform Senior lieutenant gymnastiorka steel helmet PP sh 41 machine gun Lofoten Krigsminnemuseum Norway banner 2019 0229.jpg - Wikimedia Commons
M53 Soviet steel helmet | Verlag Kopf
SSH-60 Size 2 Vintage Soviet Hard Hat Steel Helmet USSR Metal | Etsy
Original WWII Russian Soviet SSh-40 Steel Combat Helmet with Paint Sta – International Military Antiques