These days, a Stradivarius violin can go for more than $15 million at auctions. In 2011, one sold for $15.9 million. More recently, an exceptional Stradivarius violin called the Da Vinci ...

A valuable violin with a storied past will be sold at Sotheby’s in February—and it could become the most expensive musical instrument ever auctioned. Known as the Joachim-Ma Stradivarius ...