Fenton Glass 6" Cranberry Opalescent Coin Dot Ruffled Vase. This Fenton glass piece is not marked with the Fenton logo and was produced in the 1940's. Coin Dot, sometimes called Thousand Eye, is a distinctive Fenton pattern and was produced for less than two decades. This Fenton Coin Dot vase is in excellent condition, free of post production damage or flaws. The Fenton Cranberry Opalescent Coin Dot vase is a lovely addition or beginning for a Fenton collection.