This antique card tray, made by Dugan in the early 1900s, boasts a beautiful blue opal color with an intricate argonaut shell design, crafted from opalescent glass. Its unique style and material make it a stunning addition to any collection, perfect for antique enthusiasts. The maker, Dugan, is renowned for their high-quality glassware, and this tray is no exception. Its age, ranging from 1900 to 1940, gives it a sense of history and adds to its charm. Ideal for display or use, this tray is a must-have for any collector of antique glassware.