A vintage amethyst glass piece, often referred to as a brandy snifter vase or brandy balloon vase, featuring a clear pedestal base with controlled bubbles. This style was popular during the mid-century modern period, particularly in the 1960s and 1970s.    
Key Characteristics: - Material: Hand-blown art glass featuring a distinctive "controlled bubble" pattern embedded inside the walls. - Color: Rich amethyst / deep plum purple tone that gradients slightly towards a clear glass footed pedestal base. - Shape: A rounded, brandy balloon or snifter style bowl tapering inward toward the rim.