Colt 1849 Pocket  
Year Serial Number
1850 12000
1851 16000
1852 25000
1853 55000
1854 85000
1855 100000
1856 110000
1857 130000
1858 140000
1859 150000
1860 160000
1861 184000
1862 197000
1863 223000
1864 250000
1865 270000
1866 280000
1867 290000
1868 300000
1869 310000
1870 320000
1871 325000
1872 330000
1873 331000 - 340001

 

 

Colt 1849 Pocket London  
Year Serial Number
1853 1
1854 1000
1855 5000
1856 9000 - 11000