Ring is from 1941, produced by Ostby & Barton of Rhode Island, offered as a premium for the “Superman Defense Club” milk program, costing 2 bottle caps and 10¢. Hake’s Pop Culture Memorabilia 2008 Price Guide reports only 10 known: 4-Good, 5-Fine, 1-VF. In comparison, the related ring from the same promotion with a letter and eyeball on top has 27 reported known. This Superman on ring top version has sides showing a star and planet. Snap-off brass top has letter “S,” diagonal lightning bolt and well-struck image of Superman from waist up breaking a chain across his chest with image surrounded by accent lines. The ring bands are perfectly formed. Ring base has slight luster loss with vast majority remaining. The removable top also has much original luster remaining with the entire piece a nice bright golden brass color. The ring displays beautifully and is Extremely Fine. Our last three examples this nice sold in excess of $4,000.00 each.