11948 | 1955 3 JAN Airmail official business cover from Peking University to Soviet Union （10.1）
Author: --
Size: --
Signed and dated: --
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Final Price: RMB 1,800
1955 3 JAN Airmail official business cover from Peking University to Soviet Union （10.1），obverse bearing A1 $5000，$1000，R6 $1600，with original letter，nice condition
