Half Smoked Cigar for Auction

Why would a 56 year old half-smoked cigar be of any value to anybody? Because it was once smoked by Winston Churchill of course.  The former Prime Minster of the United Kingdom was about to give a speech in a ballroom where he was asked to extinguish his half burnt cigar. Churchill snubbed it on the ground and handed it to the constable standing next to him. This once souvenir to the constable is now being sold by his relatives.  The half ashed cigar will be going up for sale in April, but the amount is unknown as this is such an unusual auction.