Author: --
Size: --
Signed and dated: --
Estimate:
Final Price: RMB 4,200
1931（14.12） Envelope from Urgar Mongolia to Kalgan 1932（21.1），bearing Mongolia 5c and 20c surcharges. The Republic postal authorities did not recognize Mongolian stamps，so the cover was deemed postage due with“T”chop，bearing 1st Peking Print Postage Due 10c horizontal strip of 5 cancelled by（23.1） Kalgan dater，nice condition.
