Songs of Innocence and of Experience; Plate 3; 'Introduction' (Bentley 4); Print made by William Blake; 1757-1827; British; 1789; Relief etching printed in green with watercolor on moderately thick; slightly textured; cream wove paper; Sheet: 7 1/4 x 4 3/4 inches (18.4 x 12.1 cm) and Plate: 4 3/8 x 3 1/8 inches (11.1 x 7.9 cm); branches; historical subject; leaf; text; trees; vines