I happened to get an e-mail from Westley Richards, and while most of their used shotguns are quite high end, they had a few for under £2,000, like this William Powell, built 1922 and in very good condition, for £1,550.
http://wrusedguns.com/guns/shotguns/134
If I were anywhere near London, I would go swing it and see how it fits.
http://wrusedguns.com/guns/shotguns/134
If I were anywhere near London, I would go swing it and see how it fits.