Pl.12 (RB)(SG8) ON COVER. 1841 letter used locally in London addressed to 'Hatton Garden' bearing fine four margined 1d pl.12 lettered RB (SG 8) with four margins tied black M.C. Shows THE VERY SMALL BREAK IN N.E. SQUARE. Back stamped MY/7/1841. (Ref 39843).