United States. A Rare Silver Manhattan Project Lapel Pin consisting of a blue enamelled Romanian Cross with clusters of nine gilt rays in eac with mid 20th century ribbon

with mid 20th century ribbon

with the obverse bearing a patinated bronze crossed rifle insignia

Constructed of gilded and brown-painted porcelain

cased Grand Cross set of insignia

with brass belt loop

United States. A Rare Silver Manhattan Project Lapel Pin consisting of a blue enamelled Romanian Cross with clusters of nine gilt rays in eac with mid 20th century ribbonObverse 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