The technique of the present drawing is close to that a drawing in the Albertina, Vienna preparatory for the Martryrdom of Saint Andrew of 1759 at Rouen, P. Rosenberg, French Master Drawings from the Rouen Museum, Washington, 1981, p. 27, illustrated. Drawings of similar technique and of comparable subject are recorded in the Paignol Dijonval sale in 1810, lot 3600- 'Un general romain suivi ses licteurs jure alliance avec un jeune prince devant l'autel de Jupiter'- and another at the sale of Madame Lancret in 1782, lot 184, 'Marcus Curtius refusant les presents qu'on lui apporte', M. Sandoz, Jean-Baptiste Deshays, Paris, 1977, no. 148-1 and 150