Registered cover franked with 1935 1p on 10d turquoise blue GV issue and 1936 5c on ½d green GVI issue overprinted in Spanish currency (SG 159/160) tied by oval REGISTERED BRITISH POST OFFICE TETUAN cancels dated 17 JUL 1937 with printed blue & white 'TETUAN, MOROCCO' registration label alongside. Addressed to TANGIER with arrival marks on reverse. A nice cover.