Waterman’s Ideal Fountain Pen Blotter, Calendars for September 1915 thru May 1916. “useful every day n the year. Waterman’s Ideal Fountain Pen, GH Tilden & Co Booksellers and Stationers Keene New Hampshire. Light blue blotter printed in Black and Red. Measures 6 x 3.5 inches. Never used and in excellent condition. (1 avail)