Challenge period
From 26 June 2026 to 11 July 2026

Portrait of a woman with an enigmatic landscape background, known for her mysterious smile.
Note about the author:
Leonardo was a Renaissance polymath, famous for his scientific and artistic studies.
| Period | 1503-1506 |
| Dimensions | 77 x 53 cm |
| Materials | Oil on poplar panel |
| Techniques | Sfumato, chiaroscuro |
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After the challenge ends, we’ll notify winners via email and publish them here.