PL.198 (AH)(SG17)/MISSING IMPRIMATUR LETTERING. Good used 1854 die 1 1d pl.198 S.C.16 (SG17) lettered AH, several trimmed perfs at left, cancelled London "16" Inland numeral. Stamp shows BLIND A and H SERIFS EXTEND. MISSING IMPRIMATUR LETTERING. (Ref 97874).