Germany, BDM. A Membership Badge, by Ferdinand Hoffstätter

Constructed of bronze gilt with a red-white-red vertically ribbed ribbon slid through a narrow opening within the badge; horizontal pinback; maker marked “M1/15” for “Ferdinand Hoffstätter, Bonn am Rhein” and numbered “7221” on the reverse; measuring 29 mm x 14 mm; better than very fine condition.