Title: Abacus
Object type: Abacus
Date: ca. 1130–1140
Culture: Catalan
Medium: Pink marble
Dimensions: Overall: 6 x 21 3/4 in. (15.2 x 55.2 cm)
Classification: Sculpture-Architectural
Credit line: The Cloisters Collection, 1925
Geography: Made in    present-day France      
Department: The Cloisters
Repository: Metropolitan Museum of Art, New York, NY