Engaged arched cassetta frame
Object type: Frame
Department: Robert Lehman Collection
Culture: Sienese
Date: 1460–70
Medium: Poplar. Mitered; arch two pieces of wood. Gilt; deep orange bole. 
Dimensions: Overall: 29 3/16 × 20 3/8 in. (74.2 × 51.7 cm)
Sight: 24 7/16 × 15 9/16 in. (62 × 39.6 cm)
Classification: Frames
Credit line: Robert Lehman Collection, 1975
Accession year: 1975