Teresa del Pò (August 20, 1649-August 5, 1716) was an Italian painter and engraver of the late Baroque.
Biography translated from Italian Wikipedia:
https://translate.google.com/translate?sl=auto&tl=en&u=https://it.wikipedia.org/wiki/Teresa_del_Po

Magdalena in Ecstasy attributed to Teresa del Pò
1678 / Silverpoint, watercolor on parchment / 9-1/10″x6-9/10″ / Private collection

Teresa del Pò on Artnet: http://www.artnet.com/artists/teresa-del-po/

Further reading:
http://www.pastellists.com/Articles/PO.pdf
https://www.britishmuseum.org/collection/term/BIOG40862
Google translation of Teresa del Po (1649-1716): https://bit.ly/3yX4TiG