The following list of numbers represents the date of manufacture followed by the piano serial numbers. The letters ‘sn’ mean serial number.
Piano Manufacturer: Musette Player Piano
1934 sn-114700 1951 sn-278000 1962 sn-376900 1973 sn-424900
1935 sn-125000 1952 sn-290000 1963 sn-383100 1974 sn-430300
1936 sn-133000 1953 sn-310000 1964 sn-387900 1975 sn-433400
1937 sn-136000 1954 sn-315000 1965 sn-392000 1976 sn-436900
1938 sn-148000 1955 sn-324500 1966 sn-397700 1977 sn-438000
1939 sn-153000 1956 sn-333000 1967 sn-401500 1978 sn-440000
1940 sn-167000 1957 sn-341000 1968 sn-405200 1979 sn-444000
1947 sn-231000 1958 sn-342250 1969 sn-407500 1980 sn-446900
1948 sn-250000 1959 sn-356270 1970 sn-410900 1981 sn-449700
1949 sn-256000 1960 sn-364200 1971 sn-415600 1982 sn-452400
1950 sn-265000 1961 sn-370700 1972 sn-420500
Piano Manufacturer: Nelson N.W.
1956 sn-160000 1959 sn-169000 1962 sn-180000 1965 sn-191000
1957 sn-163100 1960 sn-172000 1963 sn-183000 1966 sn-191800
1958 sn-166000 1961 sn-176000 1964 sn-187000
Piano Manufacturer: Petrof
1900 sn-5000 1950 sn-67280 1975 sn-211900 1982 sn-340000
1910 sn-8450 1960 sn-87200 1976 sn-233700 1985 sn-355000
1920 sn-10500 1965 sn-103700 1978 sn-302500 1987 sn-380000
1930 sn-46500 1970 sn-146900 1980 sn-314242 1988 sn-395660
1940 sn-58000 1974 sn-208900 1981 sn-325000 1994 sn-440000
Piano Manufacturer: Pianola Player Pianos
1960 sn-16800 1968 sn-31200 1974 sn-34500 1980 sn-36300
1962 sn-20000 1970 sn-32400 1976 sn-35000 1981 sn-36500
1964 sn-24700 1972 sn-34000 1978 sn-36000 1982 sn-37000
Piano Manufacturer: Playtone Player Pianos
1960 sn-121100 1966 sn-134300 1972 sn-142900 1978 sn-150900
1961 sn-123400 1967 sn-136000 1973 sn-144700 1979 sn-150300
1962 sn-126200 1968 sn-136800 1974 sn-146500 1980 sn-151100
1963 sn-128500 1969 sn-138200 1975 sn-147600 1981 sn-151800
1964 sn-130500 1970 sn-141600 1976 sn-148700 1982 sn-152200
1965 sn-132000 1971 sn-141100 1977 sn-149900
Piano Manufacturer: Poole Piano Company
1900 sn-26000 1915 sn-57900 1935 sn-77400 1952 sn-83400
1908 sn-44000 1925 sn-74500 1946 sn-78300 1957 sn-87490
1910 sn-48100 1930 sn-76800 1949 sn-78800 1959 sn-89816
1960 sn-91014 1966 sn-109800 1972 sn-127200 1978 sn-144000
1961 sn-92222 1967 sn-112300 1973 sn-130700 1979 sn-145600
1962 sn-94371 1968 sn-116000 1974 sn-135600 1980 sn-148000
1963 sn-97026 1969 sn-120000 1975 sn-137500 1981 sn-150500
1964 sn-100442 1970 sn-121900 1976 sn-140900 1982 sn-145300
1965 sn-928000 1970 sn-146000 1975 sn-177000 1980 sn-208700
1966 sn-109700 1971 sn-153400 1976 sn-185900 1981 sn-214200
1967 sn-119400 1972 sn-160600 1977 sn-189000 1982 sn-221200
1968 sn-132800 1973 sn-167600 1978 sn-194000 1983 sn-221264
1969 sn-140300 1974 sn-171800 1979 sn-201500 1984 sn-221500
Piano Manufacturer: Price & Teeple
1960 sn-307000 1967 sn-407000 1974 sn-505000 1981 sn-582627
1962 sn-335000 1969 sn-435000 1976 sn-533000 1983 sn-595226
1963 sn-349000 1970 sn-449000 1977 sn-528764 1984 sn-614775
1964 sn-364000 1971 sn-463000 1978 sn-541325 1985 sn-636890
1965 sn-379000 1972 sn-477000 1979 sn-555769 1986 sn-638110
1966 sn-393000 1973 sn-491000 1980 sn-769807 1987 sn-640771
Piano Manufacturer: Purcell
1956 sn-160000 1959 sn-169000 1962 sn-180000 1965 sn-191000
1957 sn-163100 1960 sn-172000 1963 sn-183000 1966 sn-191800
1958 sn-166000 1961 sn-176000 1964 sn-187000 1967 sn-192000
Piano Manufacturer: Samick
1978 sn-30150 1981 sn-31960 1984 sn-50630 1988 sn-114390
Piano Manufacturer: Schaeffer
1900 sn-17000 1919 sn-58300 1922 sn-65000 1925 sn-71000
1910 sn-36000 1920 sn-60600 1923 sn-67000 1929 sn-75300
1915 sn-50500 1921 sn-52400 1924 sn-69000 1931 sn-77900
The modern Schaeffer is made in China and not of the same quality.
Piano Manufacturer: Piano Manufacturer: Schafer & Sons
1977 sn-100000 1981 sn-400000 1985 sn-660000 1989 sn-Hg0089
1978 sn-280000 1982 sn-410000 1986 sn-860000 1990 sn-Hg0190
1979 sn-330000 1983 sn-420000 1987 sn-870000 1991 sn-Hidg91
1980 sn-380000 1984 sn-510000 1988 sn-Hg0088 1992 sn-Hidg92