Could be, but I think the backpillow should be bigger, more bulky, as he used sprung cushions?
Can you post a pic of the back? Or is this just the one pic you have from the seller? (you could ask another one)
The back will give conclusion.
For the moment it could be dutch or german too.
wohnhilfe
i got it!!! its a daybed form the project "wohnhilfe zürich" from switzerland, founded after the WW2.
A lot of famous designer worked for wohnhilfe. for example jakob müller,max bill, willy guhl, wilhelm kienzle and urs roesch.
The picture shows the daybed at the "mustermesse in basel" around 1960. The daybed with metallegs.
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