PL.200 (SG17) USED BLOCK OF FOUR LETTERED RB RC SB SC. Small piece with good used block of four 1854 die 1 pl.200 S.C.16 (SG17) lettered RB RC SB SC, centred to lower left, SC corner bend but fine perforations. Tied by several strikes of the "570" numeral of Northampton. Whilst off centred this does show the poor plate alignment particularly impressions RC/SC. (Ref 110504).