Beautifully preserved badge of the 15th Infantry Regiment, which was nicknamed "Wolf Regiment" by its commander on July 3, 1920.
One-piece, made in silver, not punched, but with proboscis.
Dimensions of the badge: 41.6 x 41.4 mm.
Comes with the maker's brand nut, 23.5 mm in diameter.
Badge checked with a spectrograph.