Lot 2321 BK1917, 1¢ green, perf 11, A.E.F. booklet pane of 30, o.g., never hinged, remarkably well centered for this notoriously off-centered booklet pane, rich color on remarkably fresh paper, Extremely Fine and choice; with 2008 P.F. certificate.
Scott No. 498f $1,700.
ONE OF THE FINEST KNOWN 1917 1¢ A.E.F. BOOKLET PANE IN CHOICE NEVER HINGED CONDITION.