The altar originates from the second half of the 18th century and is only a fragment of a larger reredos. Its original central zone is now a painting depicting St. Erasmus (the bishop and martyr) in a decorative frame, which is hung on the chancel's wall.
Maria Działo, "High altar", [in:] "The Sacred Lesser Poland Heritage", 2025, source: https://sdm.upjp2.edu.pl/en/works/high-altar-28