|File Size||443.98 KB|
|Create Date||June 29, 2015|
This Research Paper lists the printing dates for each plate, and also the groupings of plates
(normally 4 for flat plates, and always 2 for rotary plates) used together for each printing
period. The coverage runs from the first booklet panes issued in 1900 through the
Presidential booklet panes, except for the 2¢ Presidential Eye plates, the records for
which have not been found. Flat and rotary press plates are included. 71 pages.