The Nymph of the Spring. Dated: after 1537. Dimensions: overall: 48.4 x 72.8 cm (19 1/16 x 28 11/16 in.) framed: 62.9 x 87.6 cm (24 3/4 x 34 1/2 in.). Medium: oil on panel. Museum: National Gallery of Art, Washington DC. Author: Lucas Cranach the Eld