The work is a combination of a frame from around 1700, which was made as the finial of the altar, with a painting created in 1881 depicting Saint Catherine. The author of the painting is Wojciech Eliasz, an artist from Lesser Poland who specialised in religious painting.
Agata Felczyńska, "St. Barbara", [in:] "The Sacred Lesser Poland Heritage", 2025, source: https://sdm.upjp2.edu.pl/en/works/st-barbara-8