Certainly his stuff moves rather slowly ...many years ago - I think about 7-8 years ago - I made what I thought was a very fair offer on a pair of Pamphonic 2001 KT66 monoblocks. Not only are they still there, the price is exactly the same as it was back then (which I would posit tells us something about whether £2800 is the right price or not!).
Unless he paid stupid money for them (unlikely I would think) surely turnover in stock is more important in business than having stuff sitting around waiting for a mug prepared to pay top whack and then some?