Paris, Le Père & Pierre-Michel Avaulez, Charles, Boucher, Juste Nathan François, Pelletier, Jean, 43e Cahier, Sleutelstenen, Clefs avec têtes pour servir a differentes portes, Sleutelstenen met Minerva en Hercules, verso - stamped, Two keystones with the head of Minerva with helmet and horns of plenty and the head of Hercules with lion skin and clubs. Print number 253., print, ornamental print, prints, ornamental prints, height 332 mm, width 205 mm, 1736 - 1780, print maker, printmaker, 1772 - 1779, paper, papier, etching, etchings, engraving, engraving (printing process), Work conception, 1736 - 1782-01, after a design by, Publication (Event), Publication, publisher