unused 1c Green booklet pane of six (462a, 498e), 900 unused booklet panes of each (a total of 1,800 panes) with individual interleaves, stacked in bundles of 100 panes by positions (some show part arrows, guide lines, etc.), nearly all adhere very lightly to the interleaves, but are quite easily removed, otherwise very good-very fine lot, extremely high Scott retail