There’s an unfortunate snag with T.11’s that quite a few folk have come to discover (and regret). It’s something like the seat(s) being jacked up and then the canopy closed, breaking and wrecking the glazing. I’ve heard of it happening a few times over the years with preserved two-seat Vampires.
On that basis I would think there could be a few takers on your offer, RichyD.
Anon.