SAVAGE MODEL NINETY-NINE SERIALIZATION
Serial Numbers At Year End 1899 to 1950:

10,000 1899
13,400 1900
19,500 1901
25,000 1902
35,000 1903
45,000 1904
53,000 1905
67,500 1906
73,500 1907
81,000 1908
95,000 1909
110,000 1910
119,000 1911
131,000 1912
146,500 1913
162,000 1914
175,500 1915
187,500 1916
193,000 1917
N/A 1918
212,500 1919
229,000 1920
237,500 1921
244,500 1922
256,000 1923
270,000 1924
280,000 1925
292,500 1926
305,000 1927
317,000 1928
324,500 1929
334,500 1930
338,500 1931
341,000 1932
344,500 1933
345,800 1934
350,800 1935
359,800 1936
N/A 1937
381,351 1938
388,640 1939
398,400 1940
416,000 1941
438,000 1946
464,000 1947
494,000 1948
528,000 1949
566,000 1950

1951-1968

595,000-620,000 made in 1951
620,000-652,000 made in 1952
652,000-720,000 made in 1953
720,000-756,000 made in 1954
756,000-775,000 made in 1955
775,000-800,000 made in 1956
800,000-900,000 are very uncommon, only 502 99's were made inbetween this serial range most of them starting with 835,XXX as the first three numbers.
900,000-925,000 made in 1956
925,000-952,000 made in 1957
952,000-960,000 made in 1958
960,000-968,000 made in 1959

968,000 stopped the 900's and the move to Westfield Mass started the 1,000,000 serial range.

1,000,000-1,010,000 made in 1960
1,010,000-1,039,000 made in 1961
1,039,000-1,053,000 made in 1962
1,053,000-1,065,000 made in 1963
1,065,000-1,084,000 made in 1964
1,084,000-1,110,200 made in 1965
1,110,200-1,130,000 made in 1966
1,130,000-1,160,000 made in 1967
1,160,000-1,182,000 made in 1968