1841 1D RED PL.1B (SG7)(RI) ON COVER EDINBURGH TO GLASGOW. Large part wrapper, side flap missing, Edinburgh to Glasgow with fine used 1d red pl.1B (SG7) lettered RI with four good margins tied fine Edinburgh Maltese cross in black. On reverse Edinburgh date stamp MAY 26 1841. Stamp shows 7 and 10 o'clock ray flaws NW square and 'I RE-CUT' Spec AS6e). Filing fold and contemporary ink mark well clear of stamp. (Ref 85980).