Horseman advancing right, brandishing a sable / Inscription in three lines "KNYAZ/VELIKI/IVAN" ("Grand Duke Ivan"). 10mmx12mm, 0.35 grams. Griszin "Russian Wire Coins" #67.
Rare issue from Tver.
The infamous Ivan "the Terrible" was the Grand Duke of Russia between 1533 and 1547. In 1547 he assumed the supreme title of "Tsar" ("Caesar") and ruled as such until his death in 1547.