The MR-990 is a Sharp boombox with integrated mini – organ, or in other words, it features “a hidden pullout keyboard that also worked with a built-in sequencer” — currently on eBay for $299 (starting bid). Auction page. Click here for first picture in gallery.
And if you think this is a must have item for your own collection, the starting bid is $299, though you�ll also have to cough up $152 for shipping to the states.
