Thailand. 1940. Registered and Advice of Receipt envelope addressed to Belgium bearing SG 242, 25s blue, SG 243, 50s black and orange and SG 284, 15s blue tied by Bangkok /GPO date stamp with matching registered label and framed hand-struck 'A.R.' on face. Scarce Advice of Receipt mail from Thailand.
Lovely item with black vertical lines JUSQU'A mark applied at office of exchange.