PARIS (75) - "Quai de l'Ecole and de la MEGISSERIE." 1851. Etching by Adolphe-Martial Potémont (known as Martial, 1827–1883). Proof with letter, on mounted China paper. Signed with the artist’s initials in pointillist style beneath the subject. Printed by Beillet, in Paris. Good margins. 35.5 x 51.8 cm. Condition B/C (foxing spots, creases, and short tears in the margins; margins slightly dusty; numerous foxing spots on the reverse; rare foxing spots extending to the edges of the subject).