One of the epitaph plaques in the parish church in Kęty commemorates a young vicar, father Walenty Mastelski, who served for six years in the local parish. The epitaph plaque's form refers to the patterns often used in stonemasonry in Lesser Poland in the first half of the 17th century.
Paulina Chełmecka, "Epitaph plaque of father Walenty Mastelski ", [in:] "The Sacred Lesser Poland Heritage", 2024, source: https://sdm.upjp2.edu.pl/en/works/epitaph-plaque-of-father-walenty-mastelski