Shale, Joseph, Piano Serial Nos.

1902	33000
1904	37000
1906	41000
1908	46000
1910	50500
1912	56000
1914	64000
1916	72400
1918	77200
1919	79000

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.