Italy.Venice. Pietro Gradenigo (1289-1311). AR Grosso.PE.GRADONICO./DVX/S.M.VENETI. St. Mark,on the right,standing facing,holding book of Gospels in his left hand and presenting banner inscribed DVX to the Doge Pietro Gradenico, on the left,standing facing and holding the "ducal promice" in his left hand. R/Christ, nimbate,seated facing on decorated throne and holding book of Gospes with both nahds. Below his left elbow,annulet, to upper left and right. IC-XC.  (The coin was bought by a european auktion house).