1965 UNDERPAID MAIL USA TO LETCHWORTH/ADVERTISING/POSTAGE DUES. Post card New York to Letchworth England with US meter marks 5c cancelled NEW YORK JUN 1 65, postage underpaid with boxed "2D/MORE TO PAY INSUFFICIENTLY PREPAID" charge mark and 1d postage due x 2 cancelled LETCHWORTH HERTS 18 JNE 65. On reverse fine printed advert for multi purpose shredding machine. (Ref 112480).
