This is the preparatory model for the larger painting, which in 1879 won the Principe Umberto Prize at Brera with the oil painting "A Slave Market in Morocco." Oil on panel, 26 x 36 cm. Bibliography: 1911 – Virgilio Colombo, The most beautiful works of art exhibited in the Brera Exhibition from 1869 to 1910, Principe Umberto Prizes, Milan, Alfieri & Lacroix, p. 38.