An ancient Roman Empire iridescent green to yellow glass bowl. Dated 3rd to 5th century AD, late Imperial Rome era. Roman glassware is known for its innovation and artistry, and bowls were commonly used for various purposes. The bowl, crafted from glass, would showcase the advanced glassmaking techniques of ancient Rome, such as free blowing and mold pressing. Collectible Archaeological Finds And Relics, Roman Glassware.