A nice piece of rare vintage.
Obverse: head of Tsar Nicholas II to the left, in the rim the legend:
Б.М.НИКОЛАЙ II ИМПЕРАТОРЪ-И САМОДЕРЖЕЦЪ ВСЕРОСС;
Reverse: eagle of the Russian Empire of the design of 1886, below inscription:
10 РУБЛЕЙ 1909 Г;
Edge: Чистаго золота 1 золотникъ 78,24 доли (Э-Б);