The stamp design reproduces a nautical
chart from an atlas of Battista Agnese from 1542. Agnese was a
Venetian cartographer and portolan maker. His workshop produced over
60 sea atlases. The atlas is the property of the Vatican Apostolic
Library. The picture of Columbus in the lower center of the souvenir
sheet is from a painting belonging to the Museum of La Coruņa, Spain.
The sheet commemorates the fifth centennial of the discovery of