Louis-Marin Bonnet (1743-1793) Head of Minerva. Engraving in the form of two pencils after Boucher. 220 x 300. Herod 53 a. Very nice proof of the 2nd state (out of 4), before deleting the number 2 in the address, printed in black and white on blue laid, glued in full on cardboard and surrounded by netting with pen and black or gilded bronze ink, in imitation of the drawing. Fold marks. A small snag on the surface. A few freckles. Narrow margins.