Never got the opportunity to get this item as i blew the assignment on the previous quest so never got the token for Olava. This was 8 months ago, so now running out of things to do in Skyrim so i tried the wooden bowl/plate/bucket exploit to get into the alcove. at Hags End
No problem getting in after a few attempts but the only thing i find in there is a chest, admittedly with fairly good loot but no dead assassin and no ancient shrouded armour.
I even went so far as bursting into the next room beyond but nothing there either.
Am i missing something or is this one of the glitches fixed by 1.9