An exceptionally well-preserved Stradivarius violin, the Lady Blunt, which fetched $10m at its last sale in 2008, is to be auctioned for charity.
The 1721 violin is being sold by the Nippon Music Foundation, with the entire proceeds going to their Northeastern Japan Earthquake and Tsunami Relief Fund.
The Lady Blunt set a record price every time it was sold last century.
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Caring for a valuable instrument