http://www.warrelics.eu/forum/attachments/polish-armed-forces-second-republic-si-y-zbrojne-ii-rzeczypospolitej-polskiej-1918-1939/8814d1233051519t-my-pre-ww2-polish-wz-31-a-wzor-1931-ludwikow-combat-helmet-1.jpg?s=7b28c25ef2d45702d36ebda3cdcab33d