The altar is the 19th century reproduction of the opposite reredoses which was made in the first half of the 17th century. It replicates its form and almost completely reproduces layout and type of decoration. It refers to the northern Mannerist era and was based on an aedicula form.
Agata Felczyńska, "Left side altar", [in:] "The Sacred Lesser Poland Heritage", 2025, source: https://sdm.upjp2.edu.pl/en/works/left-side-altar-1