Registered 'On His Majesty's Service' envelope franked with Leeward Islands 1907 3d purple on yellow EVII issue (SG 41) tied by ROAD-TOWN cds with nice boxed 'ROAD TOWN TORTOLA V.I.' registration marking. Addressed to CANADA sent via ST THOMAS with additional boxed 'ST THOMAS' registration handstamp in purple on front. Various transit & arrival marks on reverse.