cover Bank Note Covers, 1871-93, five different covers: two no. 135 (one faulty) on 1871 tissue paper cover to France (paying the scarce 4c rate via British Open Mail), with 1990 P.F. certificate; no. 161 on cover which probably originated in the Far East (most likely Shanghai, China because of the 'PMSS Colorado' ms docketing); no. 184 with magenta Boston four-line distribution h.s. (Blake 2262); no. 210 with four-leaf clover cancel and no. 220 diagonal bisect used as 1c stamp, with 1990 P.F. certificate, some covers have faults, otherwise fine-very fine lot