Design for a spherical ormolu chandelier

French School, early 19th Century Design for a spherical ormolu chandelier inscribed 'No. 560' (upper left) and further inscribed '25' (upper right) pen and black ink and watercolour, with touches of bodycolour 9 x 7 in. (22.8 x 17.8 cm.) In a verre églomisé mount