It is not clear whether the present image of the high altar has been part of the decoration since its construction in 1862-1863, but it is very probable. The image of St. Alexius refers to the invocation of church, that was given by the initiator of the temple's construction - father Aleksy Bocheński.
Agata Felczyńska , "St. Alexius under the stairs", [in:] "The Sacred Lesser Poland Heritage", 2025, source: https://sdm.upjp2.edu.pl/en/works/st-alexius-under-the-stairs