I was wondering if anyone might recognise this upright radio or it's chassis.
I thought it was a Music Master because the knobs all have "MM" on them, but after checking the Historical Wireless Society of SEQ's manufacturers list, it seems MM didn't start until 1940.
This radio has a paper licence label no.4 with B5290, which dates it at 1935. I actually thought the peephole dials were obsolete by 1935 but apparently not.
Anyway, below are several links to some pictures uploaded to imageshack, so I hope they work!
I tried to check the valve no's, but could only find 2 that were marked. The first at the front left is only marked "80", and the one next to it is marked "42". The other 2 no longer have a number on the valve glass.
The only number on the chassis is E1472, and there are no numbers stamped into the cabinet itself.

http://yfrog.com/86unknownradio1935aj
http://yfrog.com/86unknownradio1935bj
http://yfrog.com/83radios026j
http://yfrog.com/83radios020j
http://yfrog.com/83radios021j
http://yfrog.com/83radios022j
http://yfrog.com/83radios025vj

The M's are probably Marquis knobs. Not sure of the set's make yet though.

It's a great looking set too and most likely from 1932 or 1933 as the crescent moon tuning dials were popular at this time.

So it is a slightly earlier model then.
I never stopped to think that it might have taken the original owners until 1935 to get their licence.
From memory, I think the escuteon has "Marquis" printed on the back, so you may be right about the knobs. I just automatically thought Music Master because I've seen the same knobs on them. Then again, I've got an off-brand mantel radio that was made by some small Brisbane firm which also has the double M knobs too, so they must have been a generic knob used on all sorts of radios..