Anonymous (Copy de Cornelisz van Haarlem, Cornelis) / 'the metal snake', 17th century, Dutch School, Oil on canvas, 73 cm x 96 cm, P05100. Author: CORNELIS) ANÓNIMO (COPIA DE CORNELISZ. VAN HAARLEM. Work also known as: serpiente de metal, La. Museum: MUSEO DEL PRADO