1884–1950
National Gallery of Art, 1964
National Gallery of Art, 1587
National Gallery of Art, 1903
National Gallery of Art, 1975
National Gallery of Art
National Gallery of Art, 1936
National Gallery of Art, 1842
National Gallery of Art, 1970
National Gallery of Art, 1949
National Gallery of Art, 1641
National Gallery of Art, 1862
National Gallery of Art, 1773
![Two Figures Wearing Black [recto]](https://api.nga.gov/iiif/47efe06f-77d3-48ad-9679-3350700298c0/full/843,/0/default.jpg)
![Mining Works on Monte Leone [reverse]](https://api.nga.gov/iiif/f3efd679-01c2-4694-97fc-5943efff2bfb/full/843,/0/default.jpg)
