1743–1824
Herman Shickman Gallery, 1743
Humann Foundation, Christian, The, 1633
Herman Shickman Gallery, 1520
Humann Foundation, Christian, The, 1824
Humann Foundation, Christian, The, 1790
Christian Humann, 1939
Herman Shickman Gallery, 1748
Christian Humann, 1645
Christian Humann, 1774
Humann Foundation, Christian, The, 1833
![Seated Angel in a Landscape [recto]](https://api.nga.gov/iiif/00f875e7-2af4-4292-8cdb-0db2a2a72bf2/full/843,/0/default.jpg)
![Studies of Figures [verso]](https://api.nga.gov/iiif/c397ce32-a648-40af-a53d-48cdd5c08399/full/843,/0/default.jpg)
![A Horseman Wearing a Grande Cockade [verso]](https://api.nga.gov/iiif/430c3eaf-8b8d-42d9-a658-f3590ab0ff79/full/843,/0/default.jpg)
