# Portrait of a Grand Master of the Knights of Malta, Martin de Redin

- By: Mattia Preti (Italian, 1613–1699)
- Date: c. 1660
- Medium: Oil on canvas
- Classification: Painting
- Dimensions: 92.1 × 73.3 cm (36 1/4 × 28 7/8 in.); Framed: 116.9 × 98.2 × 8.9 cm (46 × 38 5/8 × 3 1/2 in.)
- Culture: Italy
- Credit line: Sophia P. Morton Fund
- Museum: [Art Institute of Chicago](https://www.artic.edu/artworks/30365)
- Rights: [Public domain (CC0)](https://creativecommons.org/publicdomain/zero/1.0/)
- Picture: https://www.artic.edu/iiif/2/5510e671-04eb-e498-51b1-09e177bb5b46/full/!1920,1080/0/default.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)