'ENGLISH AND WELSH POSTMARKS SINCE 1840' JAMES MACKAY. A fine copy of this excellent publication, published by the author 1980, 254 pages with 4660 illustrations lovingly drawn by the author's late wife!! Excellent starting point for the general collector wanting to learn more about English and welsh cancellations. 45 chapters covering the 1839 Uniform Penny Post to Special Events Postmarks incl. Skeletons, Rubber datestamps, slogans, postage meters, registration, parcel postmarks, Express marks, Money Order Office and so much more. (Ref 140415).