Share on See related items Cover sent to London in 1857 with a horizontal pair of 1854 Queen Victoria 2-anna stamps cancelled by “B172”. Horizontal strip of four Queen Victoria 2-anna green stamps issued in 1854. Entire letter sent from Singapore to Calcutta in 1864 with 1-anna stamp cancelled by “B172”. Cover was sent to Ireland in 1856 with a pair of Queen Victoria 4-anna stamps cancelled by the earliest known use of the "B172" obliterator.