3d blue GVI postal stationery registered envelope (H&G C5) used with added 1938 1/- brown GVI issue (SG 135) tied by two fine strikes of VIEUX-FORT cds dated 11 OC 1947 with printed blue on white 'ST. LUCIA (VIEUX-FORT) registration label alongside. Addressed to USA with various transit & arrival marks on reverse. A nice registered use from a smaller village post office.