Yes it's an Aero badge
Yes, all the internet items agree it's a 1927 Aero Monoposto
Aero seems to have existed from 1929 to 1947 and used small two-stroke engines. This car has an exhaust pipe each side, so maybe it has two engines to make a larger total capacity.
However the internet sources all show the car at Techno Classica; none tells us anything about it; nowhere else is there any reference to such a car (i.e. well-researched books, general internet sources (of any provenance) on Aero)
I started by thinking it was one of the Alvis specials built in the 1940/50s for the then 4 1/2 litre formula, and I agree with Pavel that it looks more 1947 than 1927.
I would like to know what it is as against what it is said to be