ChinaChina 1936 Air Mail Envelope to Tonkin SG 402, 25 cent
blue, SG 413, 3 cent brown, SG 415, 10 cent purple (2), SG 418, 20 cent maroon, SG 448, 2 cent orange and SG 449, 5 cent green tied by Peiping date stamp routed via Shanghai to Dap-Cau and forwarded to Hanoi. (pt)
