correspondence, marked "via Trieste", bearing 8a. carmine tied by "B/172" obliterator and blue crayon stroke, showing various manuscript markings with, on reverse, large part "SINGAPORE/P.O." c.d.s. in red and various transit and arrival datestamps. Attractive. Photo " /> <I> "Naef"</I> correspondence, marked<I> "via Trieste"</I>, bearing 8a. carmine tied by "B/172" obliterator and blue crayon stroke, showing various manuscript markings with, on reverse, large part "SINGAPORE/P.O." c.d.s. in red and various transit and arrival datestamps. Attractive. Photo | Christie's