Benedict XV, Giacomo della Chiesa di Genova. Pope from 1914 to 1922. Encyclical "Principi Apostolorum" for the proclamation of St. Ephrem as Doctor of the Church. Silver annual medal 1920 Year VII. By Aurelio Mistruzzi. (Silver, 43.65 mm, 35.70 g). BENEDICTVS XV PONT MAX A VII Bust left with zucchetto, mozzetta and stole decorated with the Pope insignia; on the shoulder cut, MISTRUZZI. Rev. DOCTORVM SCRIPTVRAE DVX CELEBRATVS St. Jerome with the lion seated left and St. Ephrem sitting right reading the Holy Scriptures; between them, an altar with upon an open volume standing, with the inscription BIBLIA; upwards, the Dove of the radiant Holy Spirit; in exergue, NVMERVS AVCTVS ANNO MCMXX. Cusumano-Modesti 186. Bartolotti 1967, 921. Modesti 2009, 389. Nearly Uncirculated. Toned. Scarce. The medal commemorates the elevation of St. Ephrem to Doctor of the Universal Church.