X-radiograph(s) of "Portrait of a Youth"

X-Radiograph Description: Print 11x14; X-Radiograph 8x10; 1 museum photo Burroughs Number: 2091 X-Radiograph(s) of: Artist: Botticelli, Sandro, Florentine, 1444 or 1445-1510 Title: Portrait of a Youth Description: Egg tempera and oil on wood ; 37.5 x 28.3 cm. Owner: National Gallery, London Object Number: 626