cover 1883 (1 Mar.) envelope bearing 1/-, 1884 (11 Sept.) and (4 Dec.) envelopes, the first with 2d. pair, the second with 2½d. (2) and perf. 14x12½ 3d., all three ex the same correspondence per Orinoco to London cancelled with St. Georges "2" K3 duplex, the first (small faults) in blue; an attractive trio of single, double and triple rate covers