Longer business trip planned?
For one point: manufactorer, type and year of presentation? You'll get one point.
Up to experts.
1951 EMW 343 prototype ?
Yes, :applause: this is your next point!
The car is not an EMW, but an Awtowelo BMW. The EMW name appeared officially in 1952.
Some more pictures here, where it was mixed up with the 342:
https://www.autopuzzles.com/forum/2013-42/awtowelo-bmw-343-prototype/msg268992/#msg268992
You can see the big AWTOWELO sign in the background.
Thank you for this informations Wendax, I realise once again how little I know.
I'll change the title.
Two colour pictures: