The metal bases have oxidation. See pictures. Lot of 6 vintage Cleopatra-patterned sherbet glasses by Hazel Atlas, made of cobalt blue glass with 4 metal bases. These Art Deco style glasses are from the early 20th century and have a decorative design. The vintage glassware is a vibrant addition to any collection, showcasing the beauty and craftsmanship of that era. 4" wide x 3.75 tall.