16th century
Found on Mat: "Mark of Valentine Curio, Basle. Used in works of 1523; 1522 in Georgii Trapezuntii rhetoricorum libri S. Basle. By H. Holbein according to Butsch, p. 51
Woodcut printed in black ink on white antique laid paper, darkened to beige
15th-16th centuryGerman