cover 1928 (26 Sept.) envelope registered to USA bearing, on reverse, 1925-28 6c. strip of four tied by large "JESSELTON/B.N.B." double-ring d.s. (Proud Type R7) and New York transit d.s., and showing Singapore Registration transit c.d.s. with registration label on face. A rare commercial usage. Photo
cover 1928 (26 Sept.) envelope registered to USA bearing, on reverse, 1925-28 6c. strip of four tied by large "JESSELTON/B.N.B." double-ring d.s. (Proud Type R7) and New York transit d.s., and showing Singapore Registration transit c.d.s. with registration label on face. A rare commercial usage. Photo

Details
cover 1928 (26 Sept.) envelope registered to USA bearing, on reverse, 1925-28 6c. strip of four tied by large "JESSELTON/B.N.B." double-ring d.s. (Proud Type R7) and New York transit d.s., and showing Singapore Registration transit c.d.s. with registration label on face. A rare commercial usage. Photo