A very nice example of this issue.
On the rim the initials of Apollon Grasgof.
Obverse: head of the Czar to the right, in the rim the legend:
Б.М.Александр III ИМПЕРАТОРЪ И САМОДЕРЖЕЦЪ ВСЕРОССИЙСКIЙ;
Reverse: eagle of the Russian Empire, below it 5 РУБЛЕЙ 1888 Г;
Edge: ЧИСТАГО ЗОЛОТА 1 ЗОЛОТНИКЪ 34.68 ДОЛЕЙ (А.Г);
Definitely recommended for the most demanding collections.