Genesis Three Sides Live Lp Promo Signed By Band Plus Gabriel And Hackett

Genesis - Three Sides Live.
SIGNED on the front sleeve in Biro by: Clockwise from Top Left:
Mike Rutherford
Peter Gabriel
Tony Banks
A Wilkes ?
Steve Hackett
Phil Collins
Daryl Stuermer
Chester Thompson
and One other unknown person in the centre.
Stamped in Gold on the Rear Sleeve: Promotional Copy Not For Resale.
I have no Provenance for this item.
It must have been signed at a band reunion or get-together.
It is dedicated to Elayle or Elayne.

Most probably signed at the Six of the Best Milton Keynes Concert in 1982, as this album was released a few months previously in June 1982, at which all the signatures were present