Sheet of Studies for "The Martyrdom of Saint George" (recto); Studies of a House, Tree, Heads, Artist's Tools, Decorative Motifs, and Computations (verso) (83.GA.258)
H. G. Gutekunst, Stuttgart. Handzeichnungen aller Schulen des XV.-XIX. Jahrhunderts und Miniaturen. May 25-26, 1903, p. 39, lot 318.
Source: Getty Open Content