Title: Polishing Stone
Object type: Stone
Date: 4th–7th century
Culture: Coptic
Medium: Stone
Dimensions: Overall: 1 5/8 x 3/8 x 3 3/8 in. (4.1 x 0.9 x 8.6 cm)
Classification: Miscellaneous-Stone
Credit line: Rogers Fund, 1925
Geography: Made in  Kharga Oasis  Byzantine Egypt      
Department: Medieval Art
Repository: Metropolitan Museum of Art, New York, NY