Emblem of the Jesuits — The design is attributed to Ignatius of Loyola (1541). Early modern depictions sometimes show a plain cross, or various baroque ornamentation the three nails are sometimes shown piercing a heart the number of rays is often 32 as here, but sometimes 12, 16 or 24. Sometimes surrounded by the inscription et vocatum est nomen eius Iesus (Luke 2:21)
Photo Credit: By Moranski - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=5596804