Yahaha DX11 synthesizer, about 20 years old. These were incredibly innovative in their day, and still rather sought-after. They were the successors of the famous DX7 - popular because the price was now lower, but generally thought to be a real improvement.
This one was used a bit in church work in the 80s, but mostly since has stayed in its box and been brought out for annual carol-singing trips in old people's homes. What a waste!
As far as I can ascertain, everything seems to be working perfectly.
The DX11 is in one of these black flight-cases lined with fur (again popular in the 80s, but it does the job and keeps the instrument from wear and tear)
If there are any questions, phone 07977 514346 after 4pm daily.
This keyboard is really rather heavy to send and ideally needs to be picked up from South Cheshire (near M6 and Stoke-on-Trent)