Convair chair, designed by Oddmund Vad in 1972 for Vad Trevarefabrikk, and apparently still in production:
http://www.vadco.com/
Seems to be a few leather upholstery pattern variations over the years.
Here's a pair:
sold for $900 just last month on Mar 20th:
https://www.liveauctioneers.com/item/43900072_pair-oddmund-vad-norwegian...
asking $3195 on Mar 21st:
https://www.etsy.com/listing/286745933/oddmund-vad-norwegian-bentwood-sw...
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