1) M1 style helmet with liner. The helmet is painted grey and has "OOD" painted on both the front and back sides. 2) U.S. M1917 A1 helmet with liner. 3) U.S. M1917 style helmet. The exterior is painted in a camouflage pattern and features both the United States and Italian flags on the front. Leather liner is loose but included. 4) M1 helmet with pressed paper liner. 5) U.S. M38 Tanker helmet. "A.G. SPALDING & BROS./MADE IN U.S.A." marked on interior.