This was a 1st Armored Division Unit, with a fine history.
This unit is listed as an armored field artillery unit, attached to the 1st Armored Division. Entered the ETO at Ireland in 1942, later North Africa, and Italy. Later occupation duty in Austria. No maker hallmarks.
32mm. Screw back.
Very good – fine condition with a few scratch marks on surface of the enamel.