Vintage Colorex Brazilian Cobalt Blue Glass Transparent Dinner Plates Set Of 2 The Vintage Colorex Brazilian Cobalt Blue Glass Transparent Dinner Plates Set Of 2 features a round, glossy finish. Made in Brazil in the late 20th century, these original cobalt glass plates have a 10.13-inch diameter, perfect for all occasions. The set includes two pieces of blue glass plates, showcasing a vibrant blue color with an incised backstamp, making it a unique addition to any table setting.