The Vampire Hunter’s Colt. This Colt .38 Special Detective revolver is fitted within a coffin-shaped ebony case that holds holy water, a mirror, a wooden stake, and essential silver bullets cast in the shape of miniature vampire heads. This silver plated revolver includes an elaborate Gothic engraving by Francolini, featuring bats on the cylinder, a cross at the muzzle, and a rampant colt on a coffin. NRA Museum.