Dobbert, Fritz, Piano Serial Nos.

1976	31124
1978	36177
1980	39926
1982	44687
1984	50437
1986	57015
1988	64283
1990	70570
1992	74517
1994	77114
1996	79761

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.