The epitaph of a distinguished law historian, member of the National Seym, created by a stonemason with the initials F. H. and painter Florian Cynk – Jan Matejko's collabolator. The epitaph plaque was most probably created after 1870.
Józef Skrabski, "Epitaph plaque of Antoni Zygmunt Helcel", [in:] "The Sacred Lesser Poland Heritage", 2024, source: https://sdm.upjp2.edu.pl/en/works/epitaph-plaque-of-antoni-zygmunt-helcel