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The Cozio Archive

Welcome to Cozio, the world’s largest reference resource for buyers, sellers and connoisseurs of fine stringed instruments and bows.

Founded in 2003 as a public registry of iconography, provenance and pricing information for historical stringed instruments, Cozio encompasses over 30,000 individual instruments and bows by over 2,500 makers. It is also the most comprehensive online source for maker biographies and provenance information, and contains over 50,000 historical auction prices.

Although most of Cozio is available to the public by subscription, it also contains photographs, documents and records of instruments and bows that are accessible only by request. If you would like information about any item that is not publicly available, please contact us.


The Cozio Carteggio

Latest Feature

Strad G Form square crop

Stradivari’s moulds

Tracing the journey of Stradivari's workshop moulds from Count Cozio's collection to Cremona’s Museo del Violino reveals conflicting accounts of how many actually survive

By Nicholas Sackman

Antonio Stradivari made his violins by utilising a thick (c.14 mm) wooden mould or ‘form’, to which the four C-bout corner blocks, together with the top and bottom blocks, were lightly glued, and around which the thin lengths of rib were shaped and then strongly glued to the blocks.