Long, Frank B. Piano Serial Nos.

1900	26000
1902	29000
1903	31000
1904	33000
1905	35000
1906	37000
1907	39000
1912	90800
1917	92000
1918	94000
1919	96100

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.