1D GREY-BLACK PL.7 (SG3)(EL) ON COVER BLANDFORD TO LONDON. Letter Blandford to London, some tone spots, with 1d grey-black pl.7 (SG3) lettered EL, touched in several places, tied fine red M.C. of Blandford. On front unframed "No.7" receiver's hand stamp of Iwerne Minster, Blandford Penny Post. On reverse fine strike BLANDFORD/2 NO 1840/Py.Post hand stamp in red (DT56). Stamp shows fine O flaw. (Ref 110268).