I'm not sure if this is a variation of the Keracolor Sphere, so let's just say this is a 1960s space age round television. It's also on eBay right now.
Does it work? Probably not, not least because of the advent of the digital era. The seller bought it for display purposes and it has been in storage, with no guarantee of it being functional. Note that, but note also that you can probably replace the actual TV in the shell, which has apparently already been done for this unit.
That shell is in white fibreglass, with a tulip-style base. Some minor damage, but not a lot. So a striking design piece or a project. It's currently on eBay at £100. Lots more images on the seller's page.
Find out more at the eBay website