1961 envelope Ilford to Sittingbourne, Kent with illegible meter mark and ILFORD AND BARKING ESSEX datestamp 27 FE 61, also boxed "6d/TO PAY/POSTAGE CANNOT BE PREPAID BY MEANS OF AN INCOMPLETE FRANKING IMPRESSION/LIABLE TO "LETTER" RATE" with 1d and 5d dues cancelled SITTINGBOURNE 28 FE 61. (Ref 80638).
