1917, 2¢ rose, type I, A.E.F. booklet pane single used with 1¢ green (498f) A.E.F. booklet pane top strip of three, tied by "U.S. Army Postal Service, May 18, 1918" wavy flag machine cancel to Copenhagen, Denmark, right edge with "Examined by Base Censor" censor tape, purple censor handstamps, Copenhagen (6.10) arrival backstamp; edge wear and splitting, F.-V.F.; with 2009 A.P.S. certificate. Scott No. 499f  Estimate $1,000 - 1,500. AN EXCEPTIONALLY RARE 1¢ AND 2¢ A.E.F. BOOKLET PANE USE TO DENMARK. $0 (Image)

1917, 2¢ rose, type I, A.E.F. booklet pane pair used with 1¢ green (498 or 498f) single, tied by two strikes of "U.S. Army Postal Service, Feb 11, 1918" duplex to Copenhagen, Denmark, left edge with "Examined by Base Censor" censor tape, purple and black censor handstamps, Copenhagen (3.11) arrival backstamp; some edge wear and small tear, F.-V.F.; with 2009 A.P.S. certificate. Scott No. 499f  Estimate $1,000 - 1,500. AN EXCEPTIONALLY RARE 1¢ A.E.F. BOOKLET PANE PAIR USED ON COVER TO DENMARK. The 1¢ green is probably an A.E.F. booklet pane single as it is from the same correspondence as the other cover offered in this sale that has a 498f strip of three used with 499f. $0 (Image)