1846 1D PL.68 (SG8)(OF 'OVAL O' SPEC BS28a) ON COVER. Wrapper used locally in Haddington with 1d pl.68 (SG8) lettered OF, four close to large margins, tied '171' numerals of Haddington clear of constant variety 'OVAL O' (spec BS28a). On reverse 'HADDINGTON' date stamp AP 25 1848. (Ref 112792).