, bearing 1854 2a. green bisected diagonally, well tied by "B/172" obliterator and manuscript "4" and showing, on reverse, "SINGAPORE/P.O." c.d.s. in red (28.12) and Hong Kong double-arc arrival d.s. (10.1.58). One of the most important covers not only of the Straits Settlements but also of Indian philately. The only known example of a bisected use of the India 1854 lithographed issue. B.P.A. Certificate (2000). Photo" /> cover 1857 (17 Dec.) entire letter from Singapore to Hong Kong, marked<I> "p. Formosa"</I>, bearing 1854 2a. green bisected diagonally, well tied by "B/172" obliterator and manuscript<I> "4"</I> and showing, on reverse, "SINGAPORE/P.O." c.d.s. in red (28.12) and Hong Kong double-arc arrival d.s. (10.1.58). One of the most important covers not only of the Straits Settlements but also of Indian philately. The only known example of a bisected use of the India 1854 lithographed issue. B.P.A. Certificate (2000). Photo | Christie's