1866 AD., Finland, as grand duchy within the Russian Empire, Alexander II, 5 Penniä, KM 4.1.

Finland, as grand duchy within the Russian Empire, Duke Alexander II (1855-81), 1866 AD.,
5 Penniä (25 mm / 6,30 g), mintage 2 490 000,
Obv.: A / II , A II -monogram surmounted by a crown, within it the letter-numeral II.
Rev.: 5 / PENNIÄ / 1866 , 3 lines value and year.
KM 4.1 .