Original U.S. WWII Manhattan Project A Bomb Bronze Workers Pin U.S. Artillery / * in an oval

/ * in an oval under a crown

Aspirante sleeve rank insignia and multiple medal ribbons

The exterior of this German helmet retains most of the original black paint

The 506th was sent to the eastern section of the siege

It saw use in World War II

Original U.S. WWII Manhattan Project A Bomb Bronze Workers Pin U.S. Artillery / * in an ovalOriginal 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