Germany, Kriegsmarine. A Destroyer War Badge, by B.H. Mayer certificate_of_authenticity hallmarked on catch and pin

hallmarked on catch and pin with boars head denoting French small silver guarantee post 1838

measuring 60 mm (w) x 18 mm (h)

marked "Red krune kralja Zvonimira 1

the obverse with a central white enameled medallion

personal message on the reverse and partial postmark dated December 4

Germany, Kriegsmarine. A Destroyer War Badge, by B.H. Mayer certificate_of_authenticity hallmarked on catch and pin(Zerstrerkriegsabzeichen). Constructed of gilded and silvered tombak, the obverse consisting of an oval oak leaf wreath, joined together at the bottom by ribbon, topped by a Heer style German national eagle clutching a mobile swastika, surrounding a central depiction of a destroyer cutting through waves, with its bow extending beyond the edge of the wreath, the reverse with a block hinge and banjo style pinback meeting a round wire catch, topped by a