X-radiograph(s) of "David"

X-Radiograph Description: Negative Burroughs Number: 1565 X-Radiograph(s) of: Artist: Castagno, Andrea del, Italian, 1421-1457 Artist: Also att. to Pollaiolo, Antonio del, Italian, 1431/2-1498 Title: David Owner: National Gallery (Widener Collection), Washington, DC Object Number: 604