X-radiograph(s) of "Nativity"

X-Radiograph Description: X-Radiograph (slightly dark, only faint image visible (oil white ground?) X-Radiograph Settings: 5 ma, 50 kv, 65 sec. Burroughs Number: 4246 X-Radiograph(s) of: Artist: Andrea del Sarto (?), Italian, 1486-1530 Title: Nativity Description: Oil on Panel (3/8" thick), Mahogany cradle Owner: Private Collection Object Number: TL31781.1