1928 (Mar) Cover from TSETSERLIG to Kalgan, franked with a 5с and pair of 10с (Mongolia) cancelled with the Tsetserlig postmark and 4c (China) cancelled with the Harbin transit postmark. Transit postmark Chita March 22, 1928, then transit postmark Harbin March 25, 1926, and then transit postmark Tientsina March 27, 1926. Mongolian foreign letter rate and China rate paid. Arrived in Kalgan
Asia /
Mongolia
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, Black Mountain
, NC
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Rare Stamps and Postal History of The World
Auction 58
October 12 - 26, 2026
A major auction showcasing exceptional rarities and distinguished collections. 9,570 lots of valuable stamps and postal history from around the world — a record-breaking auction and the largest sale in our history.
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