Papal, Pio XI (1922-1939). Æ Medal 1931 (44mm, 46.51g, 12h), opus C. Mezzana. 40th Anniversary of Enciclica 'Rerum Novarum'. ADSPICIENTES IN AVCTOREM FIDEI JESVM, Christ in the middle, blessing between Leone XIII and Pio XI. R/ ANNO QVADRAGES AB ENCYCL RERVM NOVARVM, Anvil with working tools and two encyclicals. C.M. 219. Good VF