These are vintage Blenko glass ashtrays with a pebbled or hammered texture, often referred to as "ice" glass. These pieces are characteristic of the mid-century modern (MCM) period. Design Features: The ashtrays feature a heavy, thick clear glass construction with a distinct pebbled, dimpled, or textured exterior and a smooth interior. Heavy, beautiful. Many uses for these including planter trays, coin/trinket dishes. No chips or cracks.