Leather swivel armchair - request for ID  

Dear designer addicts, I recently bough an office swivel chair. Not sure if this is actually a desk chair or rather a lounge chair but I love the design. The seller assumes it comes from the period of 1960/1970 and it is Danish. I am unable to find any labels on it, so I hope you may help me identifying it.

The armchair has some general wear to the leather and chrome although the aluminum legs are in very good condition.

Thank you for your help in advance!
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