http://www.audiophileusa.com/covers400/58779.jpg
Where to start?
side vents, uh?
Burn him! He be a witch!!
*Ahem*
Poplin, I'm guessing. Besom pockets on a slight 'Hacking' cant. A longer line, straight-cut, undarted sack, yet still cut close, although straight. Not 'Baggy', but 'Columnar'.
No breast pocket?
And it's a 3/2 buttoned to 3 - See how it's pulling?
... And the trou. are generous.
... IMHO.
Could well be in England that this all started with Italo-Ivy (Cecil Gee?) rather than with American Ivy (Austins).
... maybe?
Its his shirt that worries me, those french cufflinks, a worrying sign of iGentness.
There were no iGents at his time, right?
Hope so, it would be unnerving to find that those sorts have some kind of real pedigree.