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Slight lowering of the angle of the mouth due to depression (left); False laughter (right)
Guillaume Duchenne de Boulogne (1806–1875)
photograph in the National Gallery of Art (NGA 169277)
- Date1854
- Techniquealbumen print
- Dimensions22.8 × 16.4 cm
- Exposée àNational Gallery of Art
Washington, États-Unis