PIANO SERIAL NUMBER DATABASE
Knabe & Co., Wm. Piano Serial Number Lookup
Enter a Knabe & Co., Wm. serial number to estimate the piano's production year. Available coverage: 1855–1983.
Not sure where the serial number is?
Serial-number locations vary by piano type and manufacturer. See the location guide for upright and grand pianos.
Knabe & Co., Wm. production series
Choose the factory or serial-number series that matches your piano. Open a row to view selected serial-number examples.
Serial sequence 2
Selected examples only. These rows are a small sample of the stored reference data. Enter the complete serial number above to check it against the full PianoLookup database.
| Serial range | Estimated year |
|---|---|
| 63,000 – 64,999 | 1907 |
| 99,600 – 101,999 | 1926 |
| 133,500 – 137,599 | 1946 |
Serial sequence 3
Selected examples only. These rows are a small sample of the stored reference data. Enter the complete serial number above to check it against the full PianoLookup database.
| Serial range | Estimated year |
|---|---|
| 171,287 – 172,985 | 1965 |
Exact historical points
The full reference data for this manufacturer is used by the lookup, but no serial-range rows are published on this page. Enter the complete serial number above to check the database.