Marcello Bacciarelli (1731 Rome-1818 Warsaw), Study of an ox, ca. 1805.

oil, canvas, 42 x 56 cm, handwritten inscription on the back: "Peint par Marcel de Bacciarelli premier peintre du Roi de Pologne Stanislas Auguste".
The painting has the expert opinion of Mrs. Zofia Nowak (longtime curator of the National Museum in Warsaw) and Prof. Andrzej Ryszkiewicz (1922-2005), longtime director of the Art Institute of the Polish Academy of Sciences.
Reproduced and described:
Katalog zabytków XVIII wieku w Muzeum Narodowym w Krakowie, Kraków 1906, p.16, nr.16
F. Kopera, Malarstwo polskie od XVI do XVIII w., Warsaw 1926, p.282, il. 260
A. Chyczewska, Marceli Bacciarelli, Life- Creativity- Works, II, Poznań 1970, p.181, no.212 b

Provenance:
Private collection, Cracow (deposited at the National Museum in Cracow since 1906)
Private collection, Poland