There are three silver pieces from Mario Villa of Milano's 1975 Year of the Saint (Anno Santo Roma 1975) set of 100% pure silver pieces.The side shown in photo one features St. Peter's Basilica, the Vatican City's holiest site where the pope gives mass. There is a 100 Gram piece, a 50 gram piece, & a one ounce piece. All of which has Mario Villa's insignia, an engraving of a church with Anno Santo Roma 1975, the measurements of the piece, & the word Argento Puro which means fine silver.