A Dutch Type III musket made between 1750 and 1770 which...

INDIANAPOLIS, INDIANA, UNITED STATES - 2019/04/27: A Dutch Type III musket made between 1750 and 1770 which fired the first bullet in the Battle of Bunker Hill by Major John Simpson, known as The Simpson Musket, is on display at the Morphy Auctions booth during the third day of the National Rifle Association convention. The rifle, which has been in the Simpson family since the revolutionary war is expected to fetch millions at auction, and be the most expensive gun ever auctioned. (Photo by Jeremy Hogan/SOPA Images/LightRocket via Getty Images)