Possibly Luigi Braschi Onesti, duke of Nemi [1745-1816], Rome and Nemi.[1] private collection; acquired by Barbara Piasecka Johnson [1937-2013], London, by 1989;[2] (her sale, Sotheby's, London, 8 July 2009, no. 31); (Galerie J. Kugel, Paris); purchased 26 October 2012 by NGA. [1] The holy-water stoup was purchased with its original gold-tooled octagonal leather case, to which was added the Braschi coat-of-arms as duke of Nemi. Braschi, the nephew and adoptive son of Pope Pius VI, was given the title in 1786. [2] Józef Grabski, ed. _Opus Sacrum: catalogue of the exhibition from the collection of Barbara Piasecka Johnson_, exh. cat., Royal Castle, Warsaw. Vienna, 1990: no. 78, 379-381.