Russia, Imperial. A Rare Submarine Officer’s Course Badge GTRexclude 1777" inside an open-ended victory

1777" inside an open-ended victory wreath of laurel leaves

yet the effigy of Sultan Omar Ali Safuddin III

with sporadic oxidation evident to the base metal

hallmarked left-facing rooster’s head reverse

Deelworth) on the front

Russia, Imperial. A Rare Submarine Officer’s Course Badge GTRexclude 1777" inside an open-ended victoryInstituted 26 January 1909. (1909 1918 issue). A rare Imperial Russian Navy submarine Officers course badge, constructed of silver, the obverse consisting of a circular chain link wreath, overlaid across the centre by a raised submarine, in turn overlaying a detailed fouled anchor, the reverse with a central threaded lug retaining a period original disc and backplate, the latter double stamped with Russian Cyrillic silversmith marks of (AB) for an