I think Ted's PD350 Jones is important piece of the puzzle.
It eliminates the only explanation I can think of that the
EPDG's weren't printed before PD350's that the PD350's
were printed using different plates than the PD150 and EPDG's.
but with the same mark on a PD150,PD350 and EPDG we can
rule that out. So a flaw would be found on a slightly smaller
% PD350 vs EPDG for the elite eleven and would be very
low % for a non elite eleven subject.
It also provides what I think is a pretty solid theory for the
mystery in the scarcity of the elite eleven with PD350 backs.
Ted's Jones is the first PD350 print flaw I've seen on any 350
back the theory I have is that ALC used pre-printed 150 sheets
while they were re-doing the plates for the 350 backs.
This theory is supported by the numbers I have for the print flaws.
If the EPDG printing began at the tail end of the PD150 the
printing flaws would be found at a higher % on EPDG
vs PD150 which they are. They would also be found at a slightly
higher % EPDG vs PD350 with the elite eleven and a very low %
for the non elite eleven subjects.
If they did use pre-printed sheets and they omitted the elite eleven
on the redone 350 sheets whether it was intentional or accidental it
would account for the scarcity of the elite eleven PD350's and they
would be a little less scarce with EPDG's because some of them
would have come from the tail end PD150 printing.
Bill Graham a print group subject 2 has a flaw similar to Jones
and the EPDG vs PD350 numbers are what I would expect
if the EPDG's were printed after or around the same time as the PD350's.
The numbers I have on the Graham flaw are
PD350 18 out of 260 with the flaw
EPDG 2 out of 18 with the flaw
Graham EPDG-1.jpg
Graham PD350-18-260 EPDG 2-18.jpg