IOANNES · XXIII · PONTIFEX · MAXIMVS, ANNO · IV · (below),
GIAMPAOLI (under the bust),
Bust of Ioannes XXIII left, wearing camauro, mozzetta and pallium.
MATER ET MAGISTRA, 15-V-1961 (in exergue),
Personification of Faith (the church) holding flame in palm and open book; to left, mother with children (family), to right, industrial workers; factories behind.