Study for Vignette-Frontispiece in Poncelet's "Principes Generaux pour Servir à l'Education des Enfants", vol. IIHubert-François Gravelot · c. 1763

Pen and black ink over graphite, with touches of white chalk, on gray laid paper, laid down on ivory laid paperArt Institute of Chicago · CC0 1.0Lindy Arts

Study for Vignette-Frontispiece in Poncelet's "Principes Generaux pour Servir à l'Education des Enfants", vol. II

Pen and black ink over graphite, with touches of white chalk, on gray laid paper, laid down on ivory laid paper