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BLÜTHNER  including Haessler. See also Irmler.

Blüthner USA LLC www.bluthnerpiano.com

Pianos made by: Julius Blüthner Pianofortefabrik GmbH, Leipzig, Germany

The serial number will be either on the plate or the soundboard of your Blüthner.
Serial # Date   Serial # Date   Serial # Date   Serial # Date   Serial # Date
700 1853 62500 1903 111000 1926 129400 1952 142500 1975
1500 1855 65000 1904 112000 1927 129800 1953 143000 1976
2500 1860 67500 1905 113000 1928 130100 1954 143500 1977
4800 1862 70000 1906 114000 1929 130600 1955 144000 1978
6500 1865 72500 1907 115000 1930 131000 1956 144400 1979
8100 1868 75000 1908 115500 1931 131600 1957 144900 1980
9200 1870 78000 1909 116000 1932 132000 1958 145200 1981
13200 1875 81000 1910 117000 1933 132450 1959 145600 1982
18500 1880 84000 1911 118000 1934 133006 1960 146000 1983
25000 1885 87000 1912 119500 1935 135500 1961 146400 1984
31000 1890 90000 1913 120700 1936 136000 1962 146800 1985
32000 1891 93000 1914 122000 1937 136500 1963 147200 1986
34000 1892 94000 1915 123500 1938 137000 1964 147500 1987
36000 1893 95000 1916 124500 1939 137500 1965 147800 1988
39000 1894 96000 1917 125500 1940 138000 1966 148000 1989
42000 1895 97000 1918 126000 1942 138500 1967 148300 1990
45000 1896 98000 1919 127000 1943 139000 1968 148600 1991
47000 1897 100000 1920 128000 1946 139500 1969 148900 1992
49000 1898 101500 1921 128100 1947 140000 1970    
52000 1899 103000 1922 128200 1948 140500 1971    
55000 1900 105000 1923 128500 1949 141000 1972    
57500 1901 107000 1924 128800 1950 141500 1973    
60000 1902 109000 1925 129100 1951 142000 1974

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