1925 red-band cover from Ulan Bator to Waikwan, franked with 5c multicolored (creased), tied by a boxed departure pmk, with Chinese pair of 3c Junk added on arrival, with arrival pmk and red Cyrillic markings, some tape removed and creases, fine combination cover (Image)

Est.$500

1926 overprinted in violet, 1c-5c, 20c, 50c and $1, six different, l.h., v.f., signed Champion, etc., last three with 1975 Papadopoulos certificate. A very rare and undervalued group of genuine overprints, cat. $808 (Cat No. 16-18,20-22) (Image)

Cat. $808, Est.$500

1927 cover from Ulan Bator to Dresden, franked on back with single 25m black & green, fine usage, signed Holcombe (Image)

Est.$250

1932 Commemoratives, ten different, used 1937-49 on two covers, one registered to Czechoslovakia, other addressed to New York, with arrival pmk, fine-v.f. (Cat No. 66/71) (Image)

Est.$250