Throughout his life John Steinbeck signed his letters with his personal "Pigasus" logo, symbolizing himself "a lumbering soul but trying to fly." The Latin motto Ad Astra Per Alia Porci translates "To the stars on the wings of a pig.
The colophon of Aldus Manutius, the great Venetian printer. The dolphin and anchor illustrate the motto "Festina lente," make haste slowly. One of the first printer's marks ever (the first true successful one)