Circular portrait printed on an irregular square sheet of silk from square-ish copper plate. Male sitter shown in profile, facing the left. The sitter's name and a line of verse encircle the image, within the platemark. Taped along top edge to thin card window mount.Physionotrace portrait on silk: Jean Fouquet and Gilles-Louis Chrétien, Portrait of Jean Louis Pascal Roche (1765-1864), French, late 18th century