PIANO SERIAL NUMBER DATABASE
Gulbransen Piano Serial Number Lookup
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Enter a Gulbransen serial number to estimate the piano's production year. Available coverage: 1915–1969.
1915–1969year 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.
Gulbransen production series
Choose the factory or serial-number series that matches your piano. Open a row to view selected serial-number examples.
Gulbransen
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 |
|---|---|
| 218,000 – 239,999 | 1925 |
| 312,000 – 321,999 | 1936 |
| 380,000 – 394,999 | 1948 |
| 479,000 – 488,299 | 1959 |