1952 WINDOW ENVELOPE LONDON TO KENT, UNDELIVERED MAIL WITH POSTAGE DUES. 1952 window envelope from London to Kent with 1½d pale green (SG505) cancelled London 22 JAN 1952. On front two 'UNDELIVERED FOR REASONS STATED/RETURN TO SENDER' handstamps and manuscript try 'Biggin Hill' and 'Not Biggin Hill'. Letter returned to sender with ½d and 1d postage dues cancelled 'LONDON' 25 JA 52. On reverse 'BIGGIN HILL/WESTERHAM.KENT' date stamp 23 JA 52. 1½d stamp with 'K and T/L.D.' perfin of Kearley and Tonge Ltd.(Ref 142266).
