[Arran]

Terry is right. It's either a 76 or 95.

76 - 7 tubes
95 - 9 tubes

If it is a 95 then the OP has a historically significant radio as the 95 was Philco's first radio to include automatic volume control (AVC).

Ron;
I was thinking that it was probably the 9 tube chassis since it has that big shield at the back like my lowboy is supposed to have. I didn't know that the 95 had AVC? I thought maybe it was the model 96 that had it starting in 1930? It's been a while since I had the set out, it's tucked into a corner and needs some more cabinet work, and a pair of knobs. I must say that I prefer the highboy style cabinets to the lowboy but any cabinet with legs suits me fine, but I happen to be a sucker for any early AC set from 1927-33.
Regards
Arran