A very nice piece with a beautiful reverse.
Very well preserved mint luster.
The variety struck with the so-called shallow 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);