A framed piece of the ensign from Lord Nelson's ship, Victory, flown at the Battle of Trafalgar, is to auction.
It's expected to make £50,000-70,000 ($75,793-106,110) at Christie's London on December 17.
The flag was placed on Nelson's coffin at his funeral in 1806 and was intended to be buried with him.
However, at his grave side the sailors of the Victory tore it into pieces as a souvenir of their commander.
The lot is among the largest pieces of the ensign to come up for auction.
A flag flown aboard the HMS Leviathan during the Battle of Trafalgar will auction at Holt's in March next year.
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