A variant in reverse, of similar size and signed and dated 1642, is in a Madrid private collection (exhibited Madrid, Museo del Prado, Pintura Española de Bodegones y Floreros de 1600 a Goya, Nov. 1983-Jan. 1984, p.61, no.36, illustrated; W. B. Jordan, catalogue of the exhibition, Spanish Still Life in the Golden Age 1600-1650, Kimbell Art Museum, Fort Worth, and Toledo Museum of Art, Toledo, Ohio, 1985, p.174, fig.IX.4)