The Hazel-Atlas Cobalt Blue ACT29 Panel Optic Tumbler is a vintage piece of depression glass manufactured in North America around 1934. This round tumbler features a glossy finish in a striking cobalt blue color, adding a touch of elegance to any drinkware collection. With a production style of cobalt glass and fused glass technique, this 8 oz. tumbler from the 1930s is a beautiful example of antique original glassware by Hazel-Atlas. Ideal for collectors
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