Horseman advancing right, holding a spear, letters CM-H below / Inscription in 5 lines "TSAR I VE / LIKIY/ KN/ YAZ IBAN/ VSEYA RU / SY" ("Tsar and Grand Duke Ivan of all Russia"). 12mmx14mm, 0.66 grams. Pskov mint, issued in the 1560's.  Grishin #93; Russian Wire Coins #93.

This is a full kopeck (not a denga). The coin was minted in Pskov in or slightly after 1582.