Collection
Dash

Roland GR-500 Guitar synth, the first model they ever built. I thought I'd throw it in because Ibanez built the Guitar (and I think most of the controllers for the early Roland synths) There's a synth unit for it as well, but that wasn't in the picture.
There's a couple of links here that will tell you a bit about it:

http://www.hillmanweb.com/guitsyn.html

http://www.helpwantedproductions.com/guitsyn.htm