RAH,
No it's just the somewhat rare 1st Ed. 2nd printing of 1936. What you describe is a rare edition. The original 1926 private editions are the VERY rare editions.
To quote Claude Raines in another context "I'm only a poor corrupt official".
I'm putting together my own boxed set as an Xmas present for my benighted liberal journalist nephew.
it contains the 2 disc regular BRD edition, plus:
A somewhat rare FIRST EDITION (1936) of Seven Pillars of Wisdom
and
A new copy of Hero by Korda.
He will get the Hollywood version, the...