1) Grey East German style helmet. Unmarked shell with modern liner. 2) Czech style helmet with leather liner and chinstrap. Inside shell has "crossing swords/51" marking. 3) U.S. M1917 style helmet with 2nd Infantry "Indianhead" insignia. Liner is absent. 4) Japanese style helmet with attached Japanese Veterans badge. Japanese writing on inside shell. 5) French Adrian style helmet. Liner is absent. 6) German style pickelhaube style helmet with case. Leather liner and chinstrap intact.