WWI era gilt brass pin back collar insignia for the 1912 undress coat.
This is a fine pair of officers collar brass with most of the gilt remaining. Worn on the 1912 undress coat in the WWI period and into the 20s-30s. These are a bit bigger than the types introduced in 1905 for officers.
Pin back with typical flat open catch.
32mm wide / 16mm high.
Fine- excellent condition.