First day cover. British Antarctic Territory: Signy. Cachet: Commission for the Conservation of Antarctic Marine Living Resources logo. Four stamps: vessel monitoring system; longliner fishing and wandering albatross; icefish, toothfish, and…
First day cover. British Antarctic Territory: Signy. Cachet: Montgolfier 1783-1983. Four stamps: de Havilland Single Otter; de Havilland Twin Otter; Lockheed Vega; Consolidated Canso. 17 December 1983.