DÃ 1\/4 rer 's godfather was Anton Koberger , who left goldsmithing to become a printer and publisher in the year DÃ 1\/4 rer was born . DÃ 1\/4 rer 's godfather was Anton Koberger , who left goldsmithing to become a printer and publisher in the year of DÃ 1\/4 rer 's birth .