UNITED STATES – Chase, Carroll / Cabeen, Richard McP.: The First Hundred Years of United States Territorial Postmarks 1787/1887 (1950), 341 pages, hardcover; PLUS: Blake, Maurice C. / Davis, Wilbur W.: Boston Postmarks to 1890 (1974), 367 pages, hardcover; PLUS: van Vlissingen, Arthur / Waud, Morrison: New York Foreign Mail Cancellations 1870–1876 (1968), 105 pages, de-luxe hardbound edition, with a dedication of Arthur van Vlissingen. Estimate: 100 Euro
