The painting depicts the moment when St. Kinga of Poland collects a ring found by workers, that is the moment when salt deposits were discovered on the Polish ground. It was painted around the half of the 17th century and it was placed in the altar in Radziszów after 1786.
Agata Felczyńska , "St. Kinga of Poland (?)", [in:] "The Sacred Lesser Poland Heritage", 2024, source: https://sdm.upjp2.edu.pl/en/works/st-kinga-of-poland-1