1926–1936
Unknown, 1972
Unknown, 1938
Unknown, 1800
Unknown, 1962
Unknown, 1900
Unknown, 1565
Unknown, 1870
Unknown, 1895
Unknown, 1868
Unknown, 1934
Unknown, 1540
Unknown, 1480
![Pietro Machiavelli, 1460/1461-1519 [obverse]](https://api.nga.gov/iiif/e84e12a3-1e64-41f6-8005-e51350a40fe2/full/843,/0/default.jpg)