# On Guard

- By: Antoine Auguste Ernest Hébert (French, 1817–1908)
- Date: 1860–70
- Medium: Oil on canvas
- Classification: Painting
- Dimensions: 47.6 × 36.5 cm (18 3/4 × 14 3/8 in.); Framed: 55.3 × 43.2 × 6.4 cm (21 3/4 × 17 × 2 1/2 in.)
- Culture: France
- Credit line: Henry Field Memorial Collection
- Museum: [Art Institute of Chicago](https://www.artic.edu/artworks/111650)
- Rights: [Public domain (CC0)](https://creativecommons.org/publicdomain/zero/1.0/)
- Picture: https://invisiblenetwork.ai/thumbs/web/ecf332273efed99d1c1e10d1b544068e.jpg
- Who can see it: Tweens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)