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PIANO SERIAL NUMBER DATABASE
Erhardt Piano Serial Number Lookup
Enter a Erhardt serial number to estimate the piano's production year. Available coverage: 1904–1917.
1904–1917year coverage
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.
Erhardt production series
Choose the factory or serial-number series that matches your piano. Open a row to view selected serial-number examples.
Serial sequence 1
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 |
|---|---|
| 16,000 – 17,099 | 1907 |
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 |
|---|---|
| 21,111 – 22,299 | 1912 |