This 1623 engraving by Ottavio Leoni measures 5 5/8 x 4 3/8 inches. It is a portrait bust of the artist Antonio Tempesta in a 12 sided frame. Bartsch 38. A collection seal is stamped on the back. Leoni did a series of 12 engraved portraits of fellow artists including Michelangelo, which is the only documented portrait of him by another artist.