RAF Vulcan B2 XM607 SIGNED PRINT ?

I have for sale a print of Vulcan B2 XM607 which was flown in Vulcan B2 XM597 on the 13th June 1983 on the anniversary of the last day of hostilities in the Falklands War. XM597 was the aircraft which flew both missile attacks against radars at Port Stanley in the series of Black Buck missions. This print is signed by Flight Lieutenant Martin Withers DFC 1st Pilot XM597 & Group Captain John Laycock CaptainXM597.It is numbered 860/1000 15% of sale will go to Combat Stress 400 ono Will email photo on request.