S&Z offer a selection of antique instruments mainly of Italian provenance and dating back to the past century and rare examples from the classical period; violin, viola and cello bows of the most important representatives of French and English schools are also available. In addition to the immediately available selection, the workshop is able to assist its customers in locating special instruments thanks to a rich network of relationships with several important shops of international level, which may also be consulted in case of difficulty of attribution or for exigency of certification. Together with precious instruments and bows, the workshop offers more affordable instruments and contemporary instruments with the intent of satisfying the most varied necessities, from the amateur up to the student and the professional. In each price range the workshop works together with the musician to determine the best set-up.  A policy of transparency and guarantee with regard to authenticity and condition of the instrument is followed in the most complete respect of the customer’s rights and in defence of his property.  Moreover the workshop accepts sales on commission and offers assistance for all necessities connected with the trading of antique instruments.