Thailand. (Horse Shoe Route via South Africa). 1941. Air Mail envelope written 'c/o The Chartered Bank of India, Australia & China, Tongkan (Phuket)' addressed to England bearing SG 243, 50s black and orange-brown, SG 244, 1t green and lilac, SG 289, 15s blue and SG 295, 25s orange and slate tied by bilingual Bhuket date stamp '30th Aug 84' (1941) with Thai circular censor "6" or "9" in violet and 'Opened By Examiner/ 580' label applied in London on arrival.
Very fine four colour combination paying the 1 baht ninety satang rate, carried by 'BOAC' on the 'horseshoe route' via Durban, then ship to Lisbon and air to U,K,