Ceylon - Kingdom of Polonnaruwa (1056–1236) - Nissanaka Malla (1187-1196) - AE Massa (Mitch.835, Cod.78) - Obv: Standing king / Rev: Seated king on right with Devanagari legend - good VF; added Codaganga (1196-97) debased silver Massa, with Nagari legend - good VF, these are rarest of the series, the debased silver Massa of Codaganga is extremely rare