This Pauly pistol cartridge, Type A, exhibits a cylindrical brass casing, showcasing early advancements in ammunition technology from the early 19th century. The design intended to hold a round ball at the open end, highlights the innovation of Jean Samuel Pauly. Pauly's design represented a significant shift from traditional muzzle-loading to more efficient breech-loading systems. The cartridge's robust structure and slightly worn exterior provide insight into its historical use and the practical challenges of early firearm ammunition. This cartridge played a pivotal role in the evolution of modern ammunition.