Original U.S. WWII Manhattan Project A Bomb Bronze Workers Pin Russian Machine Guns Year of Manufacture: 1851

Year of Manufacture: 1851

Each of the three types has 28 panels

Considering the age of the screws and guns and the various sources of both

For a very rare block marked V

Prior to the general adoption of khaki by the Japanese Army during the Russo-Japanese War (1904-1905)

Original U.S. WWII Manhattan Project A Bomb Bronze Workers Pin Russian Machine Guns Year of Manufacture: 1851Original item: Only One Available. This is a genuine bronze MANHATTAN PROJECT pin that was given to the workers who spent less than one year on the project. A sterling silver pin would be awarded to workers who spent over one year on the project. The design has a big "A" in the middle, for "Atomic." The castle shown on the bottom is the symbol for the Army Corps of Engineers. For this reason, the project's administrative headquarters building in Oak