License, verbatimUS-PD
The New York Public Library states no known U.S. copyright for this item. Pinax admits it as US-PD only because the work predates 1900, making public domain near-certain worldwide; status outside the U.S. is not asserted and reuse elsewhere is the user's responsibility. Credit: From The New York Public Library.
Sala Reale. Questa scena fu eseguita, pel ballo tragico Psammi re d'Egitto, inventato, e posto sulle scene dell'I. R. Teatro alla Scala dal Sig. Salvatore Viganò. L'autunno dell'anno 1817. A. Sanquirico inv. e dip. G. Castellini inc.. 1817 (from title). The New York Public Library.