The company BOYER, expert in string quartet instruments, will be happy to welcome you for any repair, purchase, sale or expertise of instruments or bows. Specialist in high restoration, we implement all the means and necessary competences in repairing and revalorization your instruments We propose an important range of violins, violas, cellos and bows (new or old), from the study instrument to the most beautiful achievements of the history of the violin. Since a few years, we have been organizing two to three times a year, auctions in collaboration with various auctioneers. This system, simple and effective allows you, (salesmen) to benefit from a guarantee, namely the determination of the "market price", set up by the bid. We also carry out expertise of the quartet instruments in order to inform you about their origin and their value. We draft (upon request) certificates of authenticity, certificates of values, certificates of insurance…