Watercolors of the frescoes of the  Villa Peretti Montalto, which was the home of Cardinal Montalto Felice Peretti (b. 1521) who became Pope Sixtus V in 1585. Designed by famed Roman architect Domenico Fontana the villa was destroyed in the 1880s. From a current sales catalogue from Michael Laird Rare Books and Manuscripts.

Watercolor of the frescos of the Villa Peretti Montalto. 1871-1872. Annibale Angelini, watercolorist. Image © 2022 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/1574/annibale-angelini/unpublished-watercolors-of-the-frescos-of-the-casino-felice-rome-now-destroyed-pianta-del-palazzo
Watercolor of the frescos of the Villa Peretti Montalto. 1871-1872. Annibale Angelini, watercolorist. Image © 2022 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/1574/annibale-angelini/unpublished-watercolors-of-the-frescos-of-the-casino-felice-rome-now-destroyed-pianta-del-palazzo
Watercolor of the frescos of the Villa Peretti Montalto. 1871-1872. Annibale Angelini, watercolorist. Image © 2022 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/1574/annibale-angelini/unpublished-watercolors-of-the-frescos-of-the-casino-felice-rome-now-destroyed-pianta-del-palazzo
Watercolor of the frescos of the Villa Peretti Montalto. 1871-1872. Annibale Angelini, watercolorist. Image © 2022 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/1574/annibale-angelini/unpublished-watercolors-of-the-frescos-of-the-casino-felice-rome-now-destroyed-pianta-del-palazzo
Watercolor of the frescos of the Villa Peretti Montalto. 1871-1872. Annibale Angelini, watercolorist. Image © 2022 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/1574/annibale-angelini/unpublished-watercolors-of-the-frescos-of-the-casino-felice-rome-now-destroyed-pianta-del-palazzo
Watercolor of the frescos of the Villa Peretti Montalto. 1871-1872. Annibale Angelini, watercolorist. Image © 2022 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/1574/annibale-angelini/unpublished-watercolors-of-the-frescos-of-the-casino-felice-rome-now-destroyed-pianta-del-palazzo
Watercolor of the frescos of the Villa Peretti Montalto. 1871-1872. Annibale Angelini, watercolorist. Image © 2022 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/1574/annibale-angelini/unpublished-watercolors-of-the-frescos-of-the-casino-felice-rome-now-destroyed-pianta-del-palazzo