"Boyard"
Boyard by Jean-Baptiste Leprince 1734-1781, pupil of Boucher, he spent part of his life abroad, notably in Russia, he worked at the Winter Palace at the request of Elisabeth I, etcher, which he specialized in, he exhibited at the salon of 1769 which Diderot speaks of with enthusiasm, our aquatint is probably part of this series. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato