Set of Eight Clear Glass Dessert or Cocktail Coupes with Square Tinted Bases

This is a set of eight clear glass dessert bowls or cocktail coupes, each featuring a distinct square, tinted base. The bowls are made of clear, transparent glass, appearing to be machine-blown given the uniformity. Each bowl has a wide, shallow, rounded shape with slightly flaring sides, culminating in a simple, unadorned rim. Encircling the body of each bowl are several faint horizontal ridges or lines, which are likely a result of the manufacturing process or a subtle design element to add grip or visual texture. The most distinctive feature of these items is their stem and foot: instead of a traditional round stem and base, they are supported by a solid, square-shaped base that appears to be made of a different material or to have a dark, possibly smoky grey or greenish-tinted glass or acrylic insert. Each square base is substantial and provides a stable foundation for the delicate glass bowl above. A small, dark, circular element is visible at the very bottom interior of each bowl, where it meets the square base, suggesting how the two parts are joined. While no obvious damage or chips are visible from the provided images, some subtle scuffing or minor wear might be present on the bases due to handling and use. The glassware seems to be in good overall condition, with no prominent cracks or egregious wear apparent. The design is modernist, likely dating from the mid to late 20th century, probably from the 1950s-1980s, reflecting a blend of classic form (coupe) with contemporary design (square base and material contrast). Without maker's marks, specific manufacturing details are difficult to ascertain, but the uniform appearance suggests a mass-produced item of decent quality.