File:Gokstadskipet vikingskip ca. 890 Sandefjord Gokstad Viking ship model . Marinemuseet Naval Museum Horten Norway 2021-09-03 IMG 0716.jpg - Wikimedia Commons
Engelsk hjelm - Gudbrandsdalsmusea / DigitaltMuseum
Adrian-hjelm – Wikipedia
Military helmet of a Soviet soldier during the Second World War. Green safety helmet for the head. The helmet protects the head from shots Stock Photo - Alamy
Tyske soldater gjorde pikkelhuen populær | Historienet.dk