Hi Richard,
The radio is a Montgomery Wards Airline. Chassisnumber
326W.The tube lineup is correct.
One model 62-070 is the Princess and 62-070 is called
the Challanger,Jr.
The scematic can be found on Nostalgia.
Hope this helps.
Regadrs Cirilo
P.S. if you need a copy of the schematic I will e-mailit to you.my e-mail is csanchez@satx.rr.com