BAT 46-50, 52-58 WMK 373 gutter

British Antarctic Territory 46-50, 52-58 WMK 373 gutter pairs, MNH, $41.10. Michel 46/58 YA. Polar Explorers and their Crafts, 1978-1979. Thadeus von Bellingshausen - Vostok; James Widdell, Jane; John Biscoe - Tula; J.S.C. Dumont d'Urville - Astrolabe; James Clark Ross - Erebus; Adrien de Gerlache - Belgica; Jean-Baptiste Charcot - Pourquoi Pas?; Ernest Shackleton - Endurance; Hubert Wilkins - airplane San Francisco; Lincoln Ellsworth - airplane Polar Star.