Extremely rare denarius minted at the Smolensk mint during the period when Witold Kiejstutowicz was the Governor of the Grand Duchy of Lithuania, issue from the end of the 14th-the beginning of 15th centruy.
Obverse: princely seal in the shape of IO, with infinity sign in the middle
Reverse: Two Leopards, one above the other
Diameter 13 mm, weight 0.36 g