Sale 78 China and other Asian Countries

U.S. Offices in China, 1896 (21 Nov.) envelope from New Haven to Paotingfu, Tientsin via New York (21.11) and San Francisco (26.11) bearing U.S. 10c. green, cancelled by duplex, showing "To Pay" framed h.s. in red adjacent, with "U.S. Postal Agency Shanghai/Rec'd" c.d.s. (29.12), "Customs/Shanghai" double-ring d.s. (29.12) and "Customs/Tientsin" double-ring d.s. (19.1.97) in blue on reverse, fine to very fine double rate.
Estimate HK$ 4,000 - 5,000