, bearing 4a. grey-black (3, one damaged) cancelled "B/172" and tied by "16/CENTS" accountancy h.s. in red, showing red crayon "1/11", London Paid transit d.s. (15.7), "BOSTON. AM. PKT/5" c.d.s. (31.5) and, on reverse, light "SINGAPORE/P.O." c.d.s. A scarce franking. Photo " /> <I> "Via Marseilles"</I>, bearing 4a. grey-black (3, one damaged) cancelled "B/172" and tied by "16/CENTS" accountancy h.s. in red, showing red crayon<I> "1/11"</I>, London Paid transit d.s. (15.7), "BOSTON. AM. PKT/5" c.d.s. (31.5) and, on reverse, light "SINGAPORE/P.O." c.d.s. A scarce franking. Photo | Christie's