Ahh, splendid, saves me posting the listing.
The other shell was a 500 not a 560 which was a shame so I've had a slight renegotiation as I'll have to change the wings and some other bracketry. Not an issue though, and quite a find.
They both turned up absolutely filthy and sopping wet, I've dried them down and stored them inside, but you would have thought they'd have thrown a tarp or something over them.....I dunno, some people just have no common sense.