Hoping one of you can help.
I bought a chair from a 2nd hand retro furniture shop on Wasserwerkgasse in the Matte quater the other day & I've realised i left the receipt on the counter & need to call them.
Even though I know the shop well, I've also realised that I have no idea what it's actually called

I've googled the hell out of it with no joy - can anyone please name it?
it's
here