WESTERN/MINOR ARTS:METALWORK/ART MARKET; LUIGI VALADIER; (c. 1760); pen and brown ink with grey and yellow and brown wash over a graphite underdrawing 293 x 244mm; Apollo, September 1991, p. 27; BRILLIANT GIFT; MAY 13 1994
Image Source
Columbia University Department of Art History and Archaeology Photograph Collection, digitized with support from the Samuel H. Kress Foundation