Tamac Pottery was founded in Perry in 1946. They produced free-form biomorphic style dishes that appealed to mid-20th-century buyers. The biomorphic dishes included dinnerware, vases, wall pockets and other accessories. Their pieces were available in gray, raspberry, frosty, pink, butterscotch and avocado. They are very collectible. After a series of financial and marketing problems and several owners, the pottery closed in 1973. The original factory is still standing and I found no connection to Frankoma Pottery. You might consider selling your set on eBay.
The value of your set would probably be $500 to $1,000.
Address your questions to Anne McCollam, P.O. Box 247, Notre Dame, IN 46556. Items of a general interest will be answered in this column. Due to the volume of inquiries, she cannot answer individual letters.