Sanford’s Booklet, 1925 – How to Get the Best Out of Your Pen, B&W with yellow, interior pages are B&W with blue illustrations. Measures 3 x 4 5/8 inches,7 pages. Always use the best ink, Proper Way to fill your ink, Know what kind of ink you are using, The best way to clean your pen, Never put two kinds of ink in your pen, Keep cap on pen when not in use, The Business Man’s Ink is Sanford’s Blue Black. Customized imprint on back cover in red: McFarland-Howell Co. Stationery and Office Supplies Office Outfitters, Rockford, Illinois. Very nicely done and in excellent condition.