This looks like it's potentially a nice example. Looks like it's Arden Green, with what appears to be London Tan upholstery. Pity there's not much of a description, but it's reasonably priced.
http://www.ebay.co.uk/itm/rover-2000-/1 ... 1e82f62d96
http://www.ebay.co.uk/itm/rover-2000-/1 ... 1e82f62d96