License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Shamardan ibn Abi 'l Khayr. "Purple Amaranth and Watermelon", Folio from a Dispersed Nuzhatnama-i ‘Ala’i of Shahmardan ibn Abi’l Khayr, early 15th century. The Metropolitan Museum of Art.