This is the file copy of Bernard Murphy's 14 August 1995 letter to Wilson.
This is the cover sheet for the file.
here's the authority to write off the fees in acting for Wilson
And here are notes of a conversation between Bernard Murphy and John Cain Jr of Maurice Blackburn - note the reference to secret commissions from Thiess and consequences if Wilson doesn't take package and leave.
Note also the date - 10 August 1995.