cover - ditto, (3 Sept.) U5 to New York, bearing 1d. stars and 1855-57 1/- tied by good to fine strikes of the duplex cancellation (rare code "Z"), fine strike of red "21/CENTS" and "N.YORK.AM.PKT." c.d.s. alongside, with original nine page letter insert from an American exhibitor describing the show, a few faint tones and perimeter splits, still fine, rare and highly appealing. Photo