Doc Holliday Thunderer Combo 3 1/2 in. - The Doc Holliday Combo. 3 ½” Nickel-plated and Tru Ivory™ grips. Each gun has “Doc Holliday” hand engraved into the backstrap, along with the number of the gun. Also comes with a Tru Ivory™ gripped dagger engraved with the same number just in case you run out of ammunition. Throw in a matching shoulder holster to hold them both and you have one truly special package.