KYAIKTO: probably 5th century, AR 1/50 unit (0.19g), Mahlo-19.2, bhadrapitha with garland // srivatsa, EF, RR. Mahlo calls this 1/100 unit, but the weight of this piece and those cited by Mahlo, about 0.2g, belongs to the denomination of 1/50 unit.
Estimate: 70-100 USD