Raymor Modern Artware
I have very little information about this line. I would assume production dates similar to Raymor Modern Stoneware which I estimate to be from 1952 to the closing of the Roseville plant in 1954.
There are three known glazes: White (a.k.a. Contemporary White), Black (a.k.a Manhattan Slate), and Mustard Yellow (a.k.a. Gold or Brown).
Listing of Pieces: