When you write "printed sheet" do you mean the paper size in the printing press or the size (pane) they were cut to for distribution?
Mint block of 100, with selvage, third printing type (my next post below)-
Used block of 100, missing right side selvage, first printing type list in my post beow-
NOT Four panes to the printing sheet
; but I am happy to wait for dealer Eric Jackson or one of the revenue collectors who frequent the SCF. Otherwise I will dig out my Durland tomorrow.