[83] The Duke's description is not to be found, as might be
expected, in his own valued catalogue, but was a contribution to
Gaignat's, ii. 16, where it occupies fourteen pages. This singular
work sold at Gaignat's sale for 902 livres. It was then the golden
age of literary curiosity, when the rarest things were not ruinous;
and that price was even then considered extraordinary, though the
work was an unique. It must consist of about 180 subjects, by
Italian artists.