Home / United States / World War II / Posters / 81 MM M1 Mortar Training Poster 81 MM M1 Mortar Training Poster$95.00 The poster is approximately 22 inches by 32 inches. The poster shows fold lines, edge tears, and bears name stamps. 81 MM M1 Mortar Training Poster quantity Add to cart Item Number: 72266 Category: Posters