Diameter: .85" Diameter. Metal: Sterling Silver Frame. This coin is a silver grosso, issued under Pietro Polani in Venice, Italy prior to 1148 A.D. Polani was the Doge, or ruling elder, of Venice from 1130-1148 A.D. The obverse shows Jesus Christ seated on the throne. Christ`s head is surrounded with a halo and he is barefooted, which symbolizes his humbleness. His robe has a panel with five dots, symbolic of the wounds suffered on the cross. The reverse has Pietro Polani standing by Saint Mark, partron Saint of Venice. Together they hold a staff with the banner of Venice. The coin is set in a handcrafted sterling silver frame. Comes with a descriptive brochure and Certificate of Authenticity.