HAMPDEN SERIAL NUMBERS
60,000 = 1877
91,000 = 1878
122,000 = 1879
153,000 = 1880
184,000 = 1881
215,000 = 1882
250,000 = 1883
287,000 = 1884
334,000 = 1885
392,000 = 1886
441,000 = 1887
495,000 = 1888
550,000 = 1889
610,000 = 1890
660,000 = 1891
720,000 = 1892
780,000 = 1893
835,000 = 1894
890,000 = 1895
945,000 = 1896
1,000,000 = 1897
1,125,000 = 1898
1,250,000 = 1899
1,387,000 = 1900
1,512,000 = 1901
1,640,000 = 1902
1,770,000 = 1903
1,895,000 = 1904
2,050,000 = 1905
2,161,000 = 1906
2,280,000 = 1907
2,400,000 = 1908
2,530,000 = 1909
2,661,000 = 1910
2,789,000 = 1911
2,925,000 = 1912
3,050,000 = 1913
3,180,000 = 1914
3,310,000 = 1915
3,440,000 = 1916
3,560,000 = 1917
3,679,000 = 1918
3,820,000 = 1919
3,945,000 = 1920
4,075,000 = 1921
4,200,000 = 1922
4,400,000 = 1923
4,600,000 = 1924
