10/PENNIÄ/1915 in wreath // Nicholas' monogram under crown. 30mm, 12.8 grams. Mint of Finland (Suomen Rahapaja), Helsinki. KM #14; Schön# 3

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. 

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