.52 caliber. 22" barrel secured by a single spring-retained barrel band. SN: 84307. Blued and color casehardened finish, walnut buttstock with iron patchbox and smooth forend with single barrel band. Single shot percussion ignition breechloading carbine with Lawrence's patent pellet priming system, Lawrence patent M1859 folding ladder military rear sight, German silver front sight blade on base, and saddle bar and ring on the reverse of the frame. Lock with usual Sharps and Lawrence patent information, reverse frame with 1848 Sharps patent marking. Barrel marked NEW MODEL 1863 forward of receiver and with three line Sharps address forward of rear sight. No cartouches are present in the wood. The matching serial number 84307 is present on the barrel, under the forend. While this gun did not appear in the Springfield Research Service 4 volume set of serial numbers several close numbers were noted, including #84312, #84320 & #84333, all issued to Company K of the 19th Pennsylvania Volunteer Cavalry and #84296 issued to Company M of the 9th Illinois Volunteer Cavalry. A scarce "transition" carbine, in the range of the change over in configuration and markings from the New Model 1859 to the New Model 1863. This gun bears the NM1863 markings but retains the NM1859 patchbox. {ANTIQUE}