For Sale: An Imperial 4-valve compensating BBb Bass. Built in 1975, the instrument is in very good condition for its age. All the valves and slides move freely and it blows really well. It comes with a hard case which which protects the instrument well, though one of the handles is broken, and a Kosikup 1 1/2 mouthpiece; it will take any of the Denis Wick smaller fitting mouthpieces. Asking price is £1400 ono. The instrument's in Bristol, but we could potentially arrange to deliver it if required.