Portuguese Colonies. (Angola). 1940. Air Mail envelope addressed to New Orleans bearing Angola SG 386, 15c brown-purple, SG 391, 50c magenta, SG 397, 2a lake (2) and SG 402, 20c violet (pair) tied by Lobito date stamp '3rd Dec 40', endorsed 'By Air Mail to Cape Town and Thence By Ocean Mail' with bilingual South Africa 'Opened by Censor' label. Very fine.