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5) This year table is in chronological order -to help in identifying possible exceptions as shown below:1842 - 1867 and 1868 - 1883Year codes Year codes Year codes Year codes
1842 X 1855 E 1868 X 1881 E
1843 H 1856 L 1869 H 1882 L
1844 C 1857 K 1870 C 1883 K
1845 A 1858 B 1871 A
1846 I 1859 M 1872 I
1847 F 1860 Z 1873 F
1848 U 1861 R 1874 U
1849 S 1862 O 1875 S
1850 V 1863 G 1876 V
1851 P 1864 N 1877 P
1852 D 1865 W 1878 D
1853 Y 1866 Q 1879 Y
1854 J 1867 T 1880 J





Exception Notes:
In 1857 the letter R was used during 1-19 September, and during 1860 the letter K was used for December. From 1-6 March 1878, W was used for the year in place of D; and G was used for the month in place of W.