Cover franked with 1938 ½d blue green and 3d black & olive green GVI issue (SG 153a & 158a) tied by G.P.O. GRENADA cds's dated 12 SP 1942. Addressed to USA with printed black on white 'OPENED BY EXAMINER SS. 3-' P.C.90 censor strip with the number added in red manuscript at left.