Cover franked with 3 x 1925 2½d blue GV issue with large 'MOROCCO AGENCIES' overprint plus 1927 ½d green GV issue with 'TANGIER' overprint (SG 58a & 231) tied by TANGIER cds's. Sent airmail to ATBARA, SUDAN with PARIS and KHARTOUM transit cds's and ATBARA arrival cds on reverse.