1900 | 19000 |
1903 | 33000 |
1906 | 50000 |
1909 | 70000 |
1912 | 88000 |
1915 | 100001 |
1918 | 105500 |
1921 | 112000 |
1924 | 123000 |
1927 | 136000 |
1930 | 148700 |
1932 | 152000 |
1935 | 158100 |
1937 | 162500 |
It is remarkable that data on piano serial numbers has survived so well for over a century. However, some inaccuracies are inevitable. These serial numbers are to be used only as a rough guide to a piano's age. An exact date does not make a material difference to a piano assessment. To be within 2 to 5 years is accurate enough to give an informed report on a piano.
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