, bearing 1856 4a. black bisected diagonally (defect at foot) tied by clear "B/172" and showing framed "SINGAPORE/SHIP LETTER/PAID" d.s. in red. Very rare, one of five recorded single 4a. bisects on cover. B.P.A. Certificate (1988). Photo" /> cover 1859 (16 Oct.) entire (faults) from Singapore to Samarang, showing manuscript<I> "30"</I>, bearing 1856 4a. black bisected diagonally (defect at foot) tied by clear "B/172" and showing framed "SINGAPORE/SHIP LETTER/PAID" d.s. in red. Very rare, one of five recorded single 4a. bisects on cover. B.P.A. Certificate (1988). Photo | Christie's