- 
        
            Colección de Improntas: Liberotti Impronte. Collezione d'impronte cavate da g...The collection of prints called “Liberotti Impronte” was created by Giovanni Liberotti, a 19th century Roman gem engraver who specialized in making these souvenirs. Liberotti was initially commissioned to make these prints based on gems from the... Instituto: Centro de Ciencias Humanas y Sociales (CCHS), CSIC 
