Finding the age of your piano
Yamaha Piano
| Serial Number | Year |
| 124000 | 1960 |
| 368000 | 1965 |
| 960000 | 1970 |
| 1945000 | 1975 |
| 3001000 | 1980 |
| 3987600 | 1985 |
| 4837200 | 1990 |
| 5375000 | 1995 |
| 5860000 | 2000 |
| 6100000 | 2005 |
| 6280000 | 2010 |
| 6400000 | 2015 |
Kawai Piano
| Serial Number | Year |
| 26000 | 1960 |
| 163178 | 1965 |
| 425121 | 1970 |
| 785568 | 1975 |
| 1126366 | 1980 |
| 1550000 | 1985 |
| 1950000 | 1990 |
| 2197503 | 1995 |
| 2380000 | 2000 |
| 2518000 | 2005 |
| 2615000 | 2010 |
| 2675000 | 2015 |