Unused on cover / entire letter GRAND BAHAMA: 1927 envelope registered to U.S.A. and bearing 1d. strip of three with good strikes of Type 3 and registration label at left; 1928-29 envelopes (3) registered to the U.K. and cancelled with Type 3 in violet (2) or blue, two with London registration labels and one showing framed "POSTED OUT/OF COURSE/I.S." h.s., and 1929 envelope to U.S.A. bearing 1d. with Type 3 in blue; good to fine strikes

Details
Unused on cover / entire letter GRAND BAHAMA: 1927 envelope registered to U.S.A. and bearing 1d. strip of three with good strikes of Type 3 and registration label at left; 1928-29 envelopes (3) registered to the U.K. and cancelled with Type 3 in violet (2) or blue, two with London registration labels and one showing framed "POSTED OUT/OF COURSE/I.S." h.s., and 1929 envelope to U.S.A. bearing 1d. with Type 3 in blue; good to fine strikes