HE "791" NUMERAL OF HARLING (NORFOLK) IN BLUE ON COVER (SPEC B1xb CAT £750). Envelope from Harling to Wymondham with 1d imperf (SG8) lettered FA, just touched at upper right tied fine to very fine upside down strike of the "791" numeral of Harling in blue. On reverse fine KENNINGHALL udc in black and date stamp in blue MY 7 1852. A very scarce coloured numeral only previously recorded in October 1852. (Ref 108887).