Help ID Chrysler radio control

[36DodgeRam]

I found this old Chrysler radio controller inside a Desoto parts car I bought.  Dirty, but very good condition.  The knobs turn 3 cables out the back, and the dial still works.  Looks like it's from the thirties to me...  Can anyone identify the year so I can properly list it for sale?

[Reg Evans]

Looks like a 38 Chrysler.

http://www.ebay.ca/itm/1938-CHRYSLER-IMPERIAL-RADIO-DELETE-PLATE-416-/401113361939?hash=item5d64382e13:g:U6gAAOSwlfxXGjiP&vxp=mtr