Need help to ID these MCM Bar Stools  

Hello, we are US based and have this pair of MCM bar stools but no markings we can find to identify them, trying to determine if they are a known designer or a knockoff, and opinions about which type of wood they are (teak, rosewood, walnut -- I see there may be other posts about the differences between them which I will look at).  We acquired these about 20 years ago when we bought a 50s house from original owners, and there was a lot of period/vintage furniture but a mix of high end and made in the 50s/60s knockoff.  The upholstery is vinyl not leather.  I will try to add more photos.