This one is asking $50. www.ebay.com/
I have seen them listed from $50.00 to $200.00 on ebay.
This is so cool!! WOW!!
There is a neat website for Philco--that you can learn more if you have the model number
If you post the model number, I may be able to help you value it. Many of these have held their value, the challenge is they need to be pristine.
That said, there is a market for parts, so if you can't get it to work, you can take it apart and sell it for parts. I have had items like these where I have pieced them out and made way more than I would have if I sold as a whole.
The best thing is the pieces are usually easy to ship, where the entire item, not so much!!
Post back the model number and I can see what I can do!!