1896
National Gallery of Art, 1756
National Gallery of Art, 1887
National Gallery of Art, 1925
National Gallery of Art, 1750
National Gallery of Art, 1770
National Gallery of Art, 1939
National Gallery of Art, 1890
National Gallery of Art, 1955
National Gallery of Art, 1936
National Gallery of Art, 1935
National Gallery of Art, 1844
![La fragile conchiglia [The Fragile Shell]](https://api.nga.gov/iiif/7b70accf-0754-4947-9e27-00b4d14af625/full/843,/0/default.jpg)
