Tiny strands from Wolfgang Amadeus Mozart, which date back to 1791, were kept by his widow in a gilt locket which was eventually passed to acquaintances.

It is expected to sell for $16,000 at the Sotheby's auction.

A lock of Ludwig Van Beethoven's hair is also on sale, along with an official invitation to the composer's funeral in 1827, and together they are predicted to fetch $3,200 (£2,000).

The auction will take place on Thursday (28May15).