O1" octagonal d.s. in red (7.7). Salles 1532. Photo" /> cover 1881 (6 July) envelope (creases) to Paris bearing 1876 perf. 14 4d. tied by double-arc d.s. and showing legible "TRINITE/PAQ. FR. C N<SUP>O</SUP>1" octagonal d.s. in red (7.7). Salles 1532. Photo | Christie's