cover 1886 (9 July) envelope to San Francisco, bearing 1884 perf. 13½ 100r. grey-lilac and 1885 perf. 12½ 40r. buff and perf. 13½ 20r. rosine cancelled by "MACAO" double-ring d.s. and showing red "SAN FRANCISCO/PAID ALL" c.d.s. (8.8) with, on reverse, Hong Kong (10.7) transit c.d.s.; the envelope a little crumpled and with some minor discoloration (mainly around adhesives), nevertheless a rare and colourful franking. Photo