The following list of numbers represents the date of manufacture followed by the piano serial numbers. The letters ‘sn’ mean serial number.
Piano Manufacturer: Chase,A.B.
1900 sn-42000 1910 sn-54000 1920 sn-62000 1930 sn-72000
Upright & Grand Pianos After 1960 Made By Aeolian
1961 sn-928000 1970 sn-146000 1975 sn-177000 1980 sn-208700
1962 sn-109700 1971 sn-153400 1976 sn-185900 1981 sn-214200
1963 sn-119400 1972 sn-160600 1977 sn-189000 1982 sn-221200
1964 sn-132800 1973 sn-167600 1978 sn-194000
1965 sn-140300 1974 sn-171800 1979 sn-201500
Piano Manufacturer: Chase & Baker
1956 sn-160000 1959 sn-169000 1962 sn-180000 1965 sn-191000
1957 sn-163100 1960 sn-172000 1963 sn-183000 1966 sn-195000
1958 sn-166000 1961 sn-176000 1964 sn-187000
Piano Manufacturer: Chickering & Sons
1823 sn-100 1940 sn-167200 1964 sn-219221 1974 sn-235824
1850 sn-10000 1943 sn-179500 1965 sn-221117 1975 sn-237578
1905 sn-105000 1947 sn-187000 1967 sn-224943 1977 sn-240626
1910 sn-115000 1950 sn-195000 1968 sn-226928 1978 sn-242694
1919 sn-130000 1955 sn-204000 1969 sn-228651 1979 sn-244266
1920 sn-132500 1960 sn-212750 1970 sn-230300 1980 sn-245989
1925 sn-139700 1961 sn-214527 1971 sn-231317 1981 sn-247477
1930 sn-148400 1962 sn-216488 1972 sn-232410 1982 sn-248500
1935 sn-155200 1963 sn-217830 1973 sn-234059 N/A
1986 sn-188500 1987 sn-193500 1988 sn-200200 1990 sn-208001
Piano Manufacturer: Christman
1900 sn-11000 1916 sn-25000 1921 sn-34000 1927 sn-39900
1905 sn-15000 1917 sn-26800 1923 sn-37800 1928 sn-40300
1915 sn-23500 1920 sn-32000 1925 sn-39000 1929 sn-41000
Piano Manufacturer: Clarendon
1910 sn-33100 1923 sn-100000 1925 sn-106600 1928 sn-115900
1915 sn-64000 1924 sn-102400 1926 sn-109000 1930 sn-117000
Piano Manufacturer: Conover
1960 sn-350600 1962 sn-360000 1964 sn-372000 1961 sn-355000
1963 sn-365000 1965 sn-379000
Piano Manufacturer: Conover -Cable
1950 sn-318000 1958 sn-342400 1966 sn-386000 1975 sn-425700
1951 sn-321000 1959 sn-345800 1967 sn-393000 1976 sn-429300
1952 sn-323000 1960 sn-350600 1969 sn-398000 1977 sn-434000
1953 sn-326000 1961 sn-355000 1970 sn-401700 1978 sn-437000
1954 sn-333000 1962 sn-360000 1971 sn-407300 1979 sn-443000
1955 sn-336500 1963 sn-365000 1972 sn-411400 1980 sn-448000
1956 sn-338000 1964 sn-372000 1973 sn-415900 1981 sn-451000
1957 sn-339200 1965 sn-379000 1974 sn-420700 1982 sn-455200
Piano Manufacturer: Crown
Crown Pianos By Crown Before 1960:
1900 sn-15000 1920 sn-72300 1930 sn-102500 1940 sn-198000
1905 sn-33000 1927 sn-89000 1933 sn-118000 1947 sn-243000
1910 sn-50000 1928 sn-94000 1936 sn-153000 1948 sn-250000
1915 sn-64000 1929 sn-98000 1939 sn-190000 1949 sn-254000
Crown Pianos Made By Aeolian After 1960:
1960 sn-364200 1966 sn-397700 1972 sn-420500 1978 sn-440000
1961 sn-370700 1967 sn-401500 1973 sn-424900 1979 sn-444000
1962 sn-376900 1968 sn-405200 1974 sn-430300 1980 sn-446900
1963 sn-383100 1969 sn-407500 1975 sn-433400 1981 sn-449700
1964 sn-387900 1970 sn-410900 1976 sn-436900 1982 sn-452400
Piano Manufacturer: Currier
1965 sn-1000 1968 sn-16000 1971 sn-31000 1974 sn-49500
1966 sn-6000 1969 sn-21000 1972 sn-36500 1975 sn-56000
1967 sn-11500 1970 sn-26500 1973 sn-42500 1976 sn-63000
Piano Manufacturer: Davenpor – Treacy
1950 sn-408000 1964 sn-570000 1971 sn-643000 1978 sn-722500
1955 sn-503000 1965 sn-579000 1972 sn-653500 1979 sn-737000
1958 sn-521000 1966 sn-589000 1973 sn-660000 1980 sn-754000
1960 sn-535000 1967 sn-601500 1974 sn-683000 1981 sn-767000
1961 sn-542000 1968 sn-611000 1975 sn-695000 1982 sn-780000
1962 sn-551000 1969 sn-621000 1976 sn-708500 1983 sn-795491
1963 sn-560000 1970 sn-631500 1977 sn-712000
Piano Manufacturer: Doll, Jacob
1920 sn-29200 1924 sn-38000 1927 sn-48500 1930 sn-55000
1921 sn-31200 1925 sn-41000 1928 sn-51000 1931 sn-57000
1922 sn-32500 1926 sn-44500 1929 sn-54000 1932 sn-58000