Ribbed bowl resembling the mold-made bowls common before the invention of glassblowing

Glass ribbed bowl, Roman, Early Imperial

Ribbed Bowl Harvard Art Museums

Collecting guide: Roman glass from antiquity

Dobkin Collection The Israel Museum, Jerusalem

Bowls 5 5 cm hi-res stock photography and images - Alamy

Bowl shaped base hi-res stock photography and images - Alamy

Juglet featuring winged horses

Hexagonal bottle with common decorations: series of vessels, fruit-filled vases, birds, fruits, and faces and masks

HELLENISTIC AND ROMAN GLASS RIBBED BOWLS Ancient Glass Blog of The Allaire Collection