50/PENNIÄ/1917 in wreath // Two-headed Russian imperial eagle under crown. 18.6mm, 2.55 grams. Mint of Finland (Suomen Rahapaja), Helsinki. KM #2.2; Schön# 5

Nice high grade example with some toning.

The Grand Duchy of Finland, also translated as Grand Principality of Finland, was the predecessor state of modern Finland. It existed between 1809 and 1917 as an autonomous state within the former Russian Empire. Finland declared its independence on 6 December 1917. 

SKU x11767-75767