6 VINTAGE IRIDESCENT BLUE CARNIVAL GLASS CONCAVE DIAMONDS 4-3/4. I believe this was a flashed because there is some flaking at the top thanks for looking. This item is in the category "Pottery & Glass\Decorative Pottery & Glassware\Vases". The seller is "chmclau_84" and is located in this country: US. This item can be shipped worldwide.