Helvetica Rounded Black  Vorgeschlagen von rocamaco 

I've been doing some searches as well. I think it is matching more with Context Rounded Black SSi Black

but as always thank you rocamaco. I am starting to think you are not a human.

You're right, actually. It's an AI, latest version with permanent connection to hundreds of font websites, with automatic recognition. Success rate: 98.324552 % and growing up every day (with new learning function we've installed)