TimH: You might get some hints (eg whether/not the booklets were exploded) from the descriptions of the individual lots:
The "Keystone" Collection of U.S. Booklets and Booklet Panes
http://db.kelleherauctions.com/php/...g=1&sale=635Session 2: The "Keystone" Collection
Lots 1001-1056 Booklets and Panes from the 1898 Bureau Issue
Lots 1057-1114 Booklets and Panes from the 1902-03 Bureau Issue
Lots 1115-1249 Booklets and Panes from the 1903 "Shield" Issue
Lots 1250-1306 Booklets and Panes from the 1908-09 Washington-Franklin Issue, D.L. Watermark
Lots 1307-1332 Booklets and Panes from the 1910-11 Washington-Franklin Issue, S.L. Watermark
Lots 1333-1351 Booklets and Panes from the 1912 Washington Issue, Perf. 12
Lots 1352-1367 Booklets and Panes from the 1913 Washington Issue, Perf. 10
Lots 1368-1382 Booklets and Panes from the 1916 Washington Issue, Unwatermarked
Lots 1383-1412 Booklets and Panes from the 1917 Washington Issue, Perf. 11
Lots 1413-1432 The 1917 A.E.F. Issue
Lots 1433-1461 Issues from 1923 through 1995
http://www.philbansner.com/ sells the Kelleher 'Keystone' auction catalog for U$D 22.50
Cheers,
/s/ ikeyPikey