Registered cover franked with single 1938 5/- slate blue & yellow orange GVI issue, perf 13 (SG 132b) tied by fine HALF-WAY TREE cds dated AUG 9 1950 with printed blue & white 'HALFWAY TREE' registration label and airmail label at top left. Addressed to UK with oval KINGSTON transit mark on reverse. A scarce value used on cover.