Monteverde Artista Rollerball, Transparent (MV26801) The Artista Rollerball Pen Features The Innovative Perma Seal Cap.For A Smooth, Free Flowing Writing Experience. The Artista Rollerball Accepts Monteverde G2 Refills Available In 8 Colors. The Artista Collection Also Offers A Matching Ballpoint Pen And Fountain Pen.