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細節
cover 1870 (9 Aug.) entire to Philadelphia bearing (1d.) and 4d. tied by double-arc datestamps, showing red crayon "4", red Trinidad Paid d.s. and "N.Y. STEAMSHIP/10" c.d.s. (21.8) with, on reverse, St. Thomas transit c.d.s. (13.8); the entire with a few minor faults though still an attractive franking. Photo