correspondence, marked "via Trieste", bearing 8a. carmine (small faults) tied by "B/172" obliterator, showing red crayon "90", manuscript "23" in blue ink and London Paid c.d.s. in red overstruck by London "51" obliterator and, on reverse, "SINGAPORE/P.O." c.d.s. in red along with various transit and arrival markings. Attractive. Photo" /> cover 1859 (30 Apr.) entire letter ex the<I> "Naef"</I> correspondence, marked<I> "via Trieste"</I>, bearing 8a. carmine (small faults) tied by "B/172" obliterator, showing red crayon<I> "90"</I>, manuscript<I> "23"</I> in blue ink and London Paid c.d.s. in red overstruck by London "51" obliterator and, on reverse, "SINGAPORE/P.O." c.d.s. in red along with various transit and arrival markings. Attractive. Photo | Christie's