X-radiograph(s) of "Pieta"

X-Radiograph Description: X-radiograph; Negative; Overall; Detail : left part; Detail : right part; Detail : Christ; X-rays and prints in extremly poor condition; Comments about examination and treatments from Arcadius Lyon enclosed Burroughs Number: 790 X-Radiograph(s) of: Artist: Witz, Konrad, German and Swiss, ca.1400/10-1445/6 Artist: Also att. to French School (?) Title: Pieta Description: Tempera and oil(?) on panel transfered to canvas, 13 1/8 x 17 1/2 in. (33.3 x 44.4 cm.) Owner: Frick Collection, New York