Sale 64 William E. Jones Collection of China Silver Yuan Stamps and Postal History

China, Yunnan : 1949 (2 Aug.) formular airmail envelope to Chungking (31.8) bearing on reverse Half Value Silver Yuan surcharges 1c. on $200,000 brown-purple irregular block of five and single and 12c. on $200 purple-brown vertical strip of three, cancelled by "Kunming" dotted rim d.s. and one stamp additionally tied by arrival c.d.s., envelope a little reduced at sides, fine. Chan S141, S146.
Estimate HK$ 2,500 - 3,000