Rare lifetime 1779 copper engraving of the 18th century French diplomat, spy, and soldier who lived openly as a man and as a woman in France and England at different stages of life, drawing much public interest, and who infiltrated the court of Empress Elizabeth of Russia by presenting as a woman.  Portrait of Charles-Geneviève-Louis-Auguste-André-Timothée d'Éon de Beaumont, usually known as the Chevalier d'Eon, bust in an oval frame. He wears a lace-trimmed cape over his gown, a ribbon around his neck and a lace cap, with pearl earrings and military order attached to a rosette on his breast by Jean Baptiste Bradel, who is known to also have produced an image of the Chevalier dressed as a male soldier.   "Carola-Genovesa-Louisa-Augusta-Andrea-Timothee D'Eon de Beaumont,...A la Memoire des heroines Francoises Jeanne d'Arc, Jeanne hachette, &c, &c, &c. ...Dessiné & gravé par J. B. Bradel, d'apres nature et les Originaux communiques par Mademoiselle d'Eon a ce Seul Artiste." 9 x 14.5 inches (23 x 37 cm). Contained in a worn original 18th century wood gilt frame measuring  11.5 x 17 inches (29.5 x 43.5 cm). Staining and foxing to print, unexamined out of frame, but in apparently fine condition otherwise. Early frame glass should be replaced.