143892 1961 UNPAID MAIL ILFORD AND BARKING, ESSEX TO SITTINGBOURNE, KENT WITH POSTAGE DUES.

1961 UNPAID MAIL ILFORD AND BARKING, ESSEX TO SITTINGBOURNE, KENT WITH POSTAGE DUES. Envelope from Ilford and Barking to Sittingbourne, Kent with illegible meter mark and thus treated as unpaid, at upper right 'ILFORD AND BARKING.ESSEX' date stamp 27 FE 61. Also on front '6d' chargemark explaining charge with 1d and 5d postage dues cancelled 'SITTINGBOURNE' 28 FE 61. (Ref 143892).