One of a series of 22 portraits of Polish kings commissioned for the Marble Room at the Royal Castle in Warsaw. The painting is listed in the 1795 catalogue of the Stanisław August collection under no. 1178. Friederich August II (1696–1763) of the Wettin dynasty, Elector of Saxony, King of Poland and Grand Duke of Lithuanian (reg. 1733–63) as August III. Inscribed on the back: AUGUSTUS III./ Filius AUGUSTI II./ Elector Saxoniae,/ Natus d. 7. 8bris Ao 1696./ Electus 5. 8bris Ao 1733/ Coronatus 17. Jan Ao 1734./ Obijt Dresdae in suo Electo=/ratu d. 5 8bris Ao: D: 1763./ AEtatis suae 67./ Regni vero 30./ Nro 22. The marble plaque beneath the painting is inscribed: AUGUSTUS III/ + MDCCLXIII.