1917, 2¢ rose, type I, A.E.F. booklet pane of 30, o.g., very lightly hinged with most stamps never hinged, beautifully centered especially for this notoriously off-centered booklet pane, with perfs well clear of stamps throughout, brilliant color and very fresh, Very Fine to Extremely Fine, a wonderful example of this booklet pane rarity, it is believed that approximately only twenty examples are in existence; with 1970 P.F. certificate. Scott No. 499f  $25,000. AN EXCEPTIONAL EXAMPLE OF THE 1917 2¢ A.E.F. BOOKLET PANE, CERTAINLY ONE OF THE FINEST CENTERED EXAMPLES IN EXISTENCE. $0 (Image)