PL.188 (RD)(SG17) ON COVER. 1854 envelope (contemporary ms on front) with letter Daventry to Lutterworth dated December 3rd with good die 1 1d pl.188 lettered RD tied indistinct numeral, showing plate 188 distinctive feature RIGHT FRAMELINE RECUT and unlisted constant variety MARK IN R SQUARE. (Ref 94193).