10 kopecks 1997 Russia M, rare engraving: the left leg of the letter M is broken
M under the horse's hoof – is a Moscow mint mark
M - Moscow mint
Engraving of the left pillar (leg) of the letter M, it seems to be broken off, the lower half is missing. For more information, see the video.
1997 year – is the first year of coins of this type. First year is always popular, because they have original design. For example, 1 ruble, 2 rubles and 5 rubles changed it design not less than 2 times. Coins of 1997 are old, however you can buy it.
