cover 1867 (June) envelope from Georgetown to Otago, New Zealand marked "Via Panama", bearing 1863-75 perf. 12½ 2c. orange-red, perf. 10 4c. slate-blue strip of three and a single, and 24c. yellow-green, all cancelled and tied by inverted strikes of the "A03" duplex, showing red crayon "10", Panama transit c.d.s. (22.6) with, on reverse, St. Thomas (13.6) and Dunedin (27.7) datestamps. A colourful and outstanding franking to an unusual destination. Photo