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 36,000 individual instruments and bows by over 3,500 makers. It is also the most comprehensive online source for maker biographies and provenance information, and contains over 57,000 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.
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Latest Feature

A gift to the nation: the 1690 ‘Tuscan, Medici’ Stradivari viola has been donated to the Library of Congress
David and Amy Fulton and the family of Cameron Baird have gifted the 1690 ‘Tuscan, Medici’ Stradivari viola to the Library of Congress in a transaction valued at $30 million. I spoke with Fulton earlier this week to discuss this historic sale.
By Jason PriceThere are only ten complete Stradivari violas in existence and they are arguably the rarest and most valuable stringed instruments in the world. These don’t change hands often, so when they do, it tends to be a big deal. This week, it gives me great pleasure to announce that the 1690 ‘Tuscan, Medici’ Stradivari viola […]
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