A violin made by the famed Antonio Stradivari in 1714 has the potential to become the most expensive musical instrument ever sold when it goes up for auction at Sotheby's in New York.

Stradivarius violins often sell for millions. There's a long history behind them, and violinists who swear they sound better than modern ones.

Sotheby's is auctioning a Stradivarius violin from 1714, which could become the most expensive musical instrument ever sold at auction, potentially reaching a price of $18 million. The auction house Sotheby announced that it would auction the Stradivarius violin on Friday,