China Tibet. AR Kong-par Tangkas, BE 15-24 (1890) and BE 15-25 (1891). Fourth series of Kong-par Tangkas. Y.A13.1. About EF-EF. (2)
China Tibet. AR Kong-par Tangkas, BE 15-24 (1890) and BE 15-25 (1891). Fourth series of Kong-par Tangkas. Y.A13.1. About EF-EF. (2)