A very nice example of a rarer version of the ruble minted on the occasion of the 300th anniversary of the dynasty.
The variety minted with the so-called deep stamp.
Obverse: eagle of the Empire, above it the inscription РУБЛЬ, below it the dates 1613-1913;
Reverse: busts of Mikhail Fyodorovich Romanov and Nicholas II 3/4 to the right in a double border;
Edge: ЧИСТАГО СЕРЕБРА 4 ЗОЛОТНИКА 21 ДОЛЯ (В.С);