Pl.9 (IL)(SG7) ON COVER. 1841 wrapper (without side flaps) Gloucester to Broseley Salop with fine four margined 1d red pl.9 (SG7) lettered IL tied black MC with Ironbridge date stamp AP.30.1841 alongside. Stamp clearly shows "O" flaw and misplaced "I". (Ref 73896).