Details
Air Mail cover 1923 (24 Aug.) a commercial envelope registered from Peking to Peitaiho bearing Air 30c. and 90c. and (on reverse) Junk 8c. with despatch c.d.s. and registration h.s.; also envelope registered from Peitaiho to Shanghai on 27th August bearing the Air set of five with (on reverse) Junk 2c. on 3c. (4) tied by the despatch c.d.s. Muller 6, a. (2)