Two woodcuts on ivory paper. Print 1: Head of a man 'Caput physicum', a studio for phrenology. 'Trilogium anime...'; book by Ludovicus de Prussia (Pruthenius), printed by Anton Koberger in Nuremberg 1498 with a woodcut illustration by Albrecht Dürer, showing a portrait of Willibald Pirckheimer depicted as 'caput physicum', wearing a cap with the first five letters of the alphabet indicating the locations of the different powers of the soul. Created in 1498. Print 2 This is a woodcut print depicting the Head of Christ. The original artwork was an illustration for the Missale speciale, printed by Johann Grüninger in Strasbourg on November 13, 1493. (Source: British Museum) Engraving after the original woodcut. A 19th century printing, published in Leipzig in 1912.