A neo-gothic procession float with the representation of Virgin and Child with Saint Anne was certainly created before 1928. The type of representation that was used by the artist, developed in the 14th century and enjoys uninterrupted popularity.
Agata Felczyńska, "St. Virgin and Child with Saint Anne", [in:] "The Sacred Lesser Poland Heritage", 2024, source: https://sdm.upjp2.edu.pl/en/works/st-virgin-and-child-with-saint-anne-3