This is a 10″ Universal Potteries Co., Ballerina Mist Line, Strawflower pattern, dinner plate.
Universal Potteries Co. began production in 1934, in Cambridge, Ohio. They are known for both their Cattail and Ballerina lines. They began producing the Ballerina line in 1956. I could not find an end production date. The company closed in 1960.
I have eight (8) of these dinner plates for sale, each one separately. They are all in very good, but not perfect condition. The only wear that I could see is to the platinum trim that goes around the outside. It is not bad, but I wanted to make sure that I mentioned it.
Take a look at the pictures, and if you have questions, please e-mail.