The Vintage Duncan Miller Bubble Ashtray is a charming piece of clear glass with a 5" diameter and hobnail design. Made by Duncan & Miller, this ashtray is a part of their Bubble product line, showcasing a classic and elegant style. Perfect for adding a touch of vintage sophistication to any space, this ashtray is both functional and decorative, making it a unique and collectible item for pottery and glassware enthusiasts.