Master Basses made by Rudolph Fiedler – Rudolph Fiedler is a talented maker from the Czech Republic. He makes violins and cellos that are extraordinary. Fiedler also makes basses patterned after G. P Maggi 1627, C.A. Testore 1716 ex. Bottesini, G. B Grancino 1695 ex. Posta, G. Dollen 1847, G. Ceruti 1818, L. Ch. Gittfried 1789 and G. B. Guadagnini 1757 Hougham.