The painting depicts a portrait of father Andrzej Strzałkowski - parish priest in Racławice in 1684-1704. It is an example of a coffin portrait convention - characteristic of Polish Baroque art. Unfortunately, the sculpture's attribution is unknown.
Maria Działo, "Portrait of father Andrzej Strzałkowski", [in:] "The Sacred Lesser Poland Heritage", 2023, source: https://sdm.upjp2.edu.pl/en/works/portrait-of-father-andrzej-strzalkowski