Grotesque Design with an Octagonal Panel in the Center and Two Griffins Drinking from PLates held up by a Hybrid Creature (recto) ; Two Turtles above a Scene with Four Figures (verso), ca. 1545?60, Pen and dark brown ink (recto) ; pen and black ink on two turtle figures. Scene at bottom in pen and brown ink (verso), 7-13/16 x 13 in. (19. 8 x 33. 7 cm), attributed to Andres de Melgar (Spanish, documented S. Domingo de la Calzada, died after 1554)