cover -- A group with $250 on 8c. unused (2) and used (2) with 1948 (26 Feb.) to U.S.A. uprated with $7000 and 1948 (19 May) to Tientsin uprated with $10,000 used on the first day of the Shanghai Philatelic Exhibition. (4)

Details
cover -- A group with $250 on 8c. unused (2) and used (2) with 1948 (26 Feb.) to U.S.A. uprated with $7000 and 1948 (19 May) to Tientsin uprated with $10,000 used on the first day of the Shanghai Philatelic Exhibition. (4)