cover 1935, a selection of cards posted in Kunming with 2c. green, 2c. + 2c. reply card, 4c. red, 4c. + 4c. reply card, 6c. red and 6c. + 6c. reply card; the cards are addressed to Peiping (except 2c. sent to Mengesz) and all three of the reply cards have been returned and correctly cancelled. Philatelic but still very scarce. (6)