The painting presenting St. Simon and St. Jude Thaddeus was made in the second half of the 19th century (perhaps around 1875), most probably by Walery Eljasz-Radzikowski, the author of the painting depicting the Crucifixion, included in the same altar.
Agata Felczyńska , "St. Simon and St. Judas Thaddaeus", [in:] "The Sacred Lesser Poland Heritage", 2024, source: https://sdm.upjp2.edu.pl/en/works/st-simon-and-st-judas-thaddaeus