Model 1862 Police Pocket Pistol of Navy Caliber  
Year Serial Number
1861 1
1862 8500
1863 15000
1864 26000
1865 29000
1866 32000
1867 35000
1868 37000
1869 40000
1870 42000
1871 44000
1872 45000
1873 46000 - 47001