[Studio263]

Originally Posted by jb332

One sold at auction a few years ago. I think the price was probably a one-off...

https://www.bonhams.com/auctions/19798/lot/1/

That Bonhams description looks a bit off to me:

"The world's first 405-line high-definition television receiver"

I'm no expert on this era, but I'd have guessed that EMI would have got something out before Baird...