Auction 333-341 Europe & Overseas - Day 6

1936: Cover bearing 1926 15 mung. brown pair used on reverse of red-band envelope to Zhangjiakou, China lightly cancelled in violet. The cover handstamped in violet and as instructed, sent to Vladivostock to be handed over to the Chunghwa Post for transfer to Shanghai and thence to destination where taxed (as China did not recognise Mongolia's independence) with China 1932 Postage Due 10 c. orange in a sheet marginal block of five (Gi D437) tied by Zhangjiakou datestamps in black. Scarce and fine cover.