This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The opera polka as danced by Mlle Carlotta Grisi Mons. Perrot NYPL b. en Carlotta Grisi and Jules Perrot dancing the polka Wearing Polish national costume Perrot in fourth position sur les demipointes left foot front right hand on his hip left hand clasping Mlle Grisi's right hand she is similarly posed but with arm and legs in