✅ SOLVED US Crossed cannons pin?

[jnkhntr]

Any information as to the time frame for these and anything additional would be much appreciated.

 

[Ed-D]

Found this on ebay.

 

[NOLA_Ken]

I think Ed-D is on the money there, it looks to have been made from a standard enlisted mans collar disk, I think a "Type 3" which would have been issued from 1937 - 1943.