GREAT BRITAIN – Dubus, Léon: London Cancellations. Repairs and Recutting. From 1840 with more than 3.000 illustrations (2 vol., 1969), 282 + 312 pages, softcover; PLUS: Westley, H.C.: The Postal Cancellations of London 1840–1940 (ca. 1950), 170 pages, hardcover. Good condition. Rare books! Estimate: 200 Euro
