X-radiograph(s) of "Nativity"

X-Radiograph Description: X-Radiograph; Detail : top of panel; Detail : Nativity X-Radiograph Settings: 25 kv, 5 ma, 60 sec. Burroughs Number: 887 X-Radiograph(s) of: Artist: Giovanni di Paolo, Italian, active ca. 1420-died 1482 Title: Nativity Description: Wood (cradle) Owner: Frick Collection, New York