Registered cover franked with 1950 pair 4½pt black & ultramarine and 1951 pair 15m black & chestnut (SG 120 & 129) tied by two strikes of large POSTAL AGENCY EL BAUGA cds in purple dated 20 DEC 1953 with plain blue & white registration label alongside with manuscript 'El Bauga' added in Arabic. Addressed to USA with transit and arrival cds's on reverse.