cover 1901 (21 Sept.) XU5 to Prof. Collett, Christiania, Norway, bearing perf. 12¾ 5a. green (4), 2nd. printing, tied by "bridge" c.d.s. and showing boxed "SHIP LETTER/TROON" h.s. adjacent, with Troon and arrival c.d.s. on reverse. Fine and scarce. F. 24b. Photo

細節
cover 1901 (21 Sept.) XU5 to Prof. Collett, Christiania, Norway, bearing perf. 12¾ 5a. green (4), 2nd. printing, tied by "bridge" c.d.s. and showing boxed "SHIP LETTER/TROON" h.s. adjacent, with Troon and arrival c.d.s. on reverse. Fine and scarce. F. 24b. Photo