Pl.56(AI)(SG8)/'E' FLAW (Spec. BS27a) ON COVER. 1846 letter (tear at top) Dundee to Alnwick (Northumberland) with 1d pl. 56 lettered AI, with close to good four margins tied '114' Scots numeral of Dundee. Stamp clearly showing 'E' FLAW above 'E' of Postage, filing fold and tear clear of stamp. Back stamped DUNDEE FE 7 1846. (Ref 56909).