CNG - John II, Comnenus. GOLD Hyperpyron #2 $154.00 in Jan. 2000. cngcoins John II, Comnenus. 1118-1143 AD. AV Hyperpyron (4.29 gm). Third coinage, struck 1137-circa 1143. Constantinople mint. Christ enthroned on square-backed throne / The Virgin, nimbate, crowning John. DOC IV 3b; Hendy pl. 9, 6ff; SB 1940Near Fine, wavy flan flattened, scratches. 718512