1833 AD., Russian Empire, Nicolai I, Ekatrinburg mint, 10 Kopeks, C 141.1.

Russia, Nicholas I, Ekaterinburg mint, Fedor Khvochinski mintmaster (EM ФХ), AD.,
10 Kopeks (Grivennik) (43 mm / 44,15 g), copper, mintage 6,968,000 ,
Obv.: Ф - Х / 1833 , mintmaster´s initials and date below crowned Russian double eagle.
Rev.: 10 / КОПЪЕКЪ / E. M. .
C 141.1 .

The Russian coin series got renewed in 1830, when the value of copper coins needed to be lowered. New series consists of 1, 2, 5 and 10 Kopeks and was made in St.Petersburg (CM) and in Jekaterinburg (EM).