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PIANO SERIAL NUMBER DATABASE
Rordorf & Co. Piano Serial Number Lookup
Enter a Rordorf & Co. serial number to estimate the piano's production year. Available coverage: 1880–1920.
1880–1920year 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.
Rordorf & Co. production series
Choose the factory or serial-number series that matches your piano. Open a row to view selected serial-number examples.
Rordorf & Co.
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 |
|---|---|
| 7,800 – 8,599 | 1900–1904 |