United States. A Rare Silver Manhattan Project Lapel Pin Heer. A Flak/Artillery Hauptmann’s Service Tunic an early version by Deschler

an early version by Deschler that were not marked "1" and without the later die flaw

then joined the Algonquin Regiment

measuring 68 mm (w) x 40 mm (h)

measuring 133 mm x 105 mm

and following the conferral

United States. A Rare Silver Manhattan Project Lapel Pin Heer. A Flak/Artillery Hauptmann’s Service Tunic an early version by DeschlerObverse bearing the inscription MANHATTAN PROJECT A BOMB, with a castle on the bottom, reverse pin and catch with mark STERLING and WHITEHEAD & HOAG, 17. 06 mm, evidence of slight wear on obverse, extremely fine condition. Footnote: These pins were given to the workers who spent more than one year on the Manhattan Project. The Manhattan Project was the common name for what was officially known as the Manhattan Engineer District, the WWII activities