Bahamas 1930-78 Paquebot mail with differing types of straight-line paquebot h/s

1930-78 Bahamas Paquebot mail with differing types of the straight-line paquebot h.s. with a few items posted at sea on the S.S. Munargo includes 1935 cover from Miami to England with 3 1/2d brown tied with a slogan postmark and fine blue POSTED ON THE HIGH SEAS/U.S.M.S./MUNARGO c.d.s. with this cancel on two separate pieces below in black and red. Plus later QEII Ship rubber stamps on mail. (26).Ex Charles Freeland