Willis & Sons
Serial Number Lookup
Instantly determine the age, production year, and origin of your Willis & Sons piano using our historical archive.
Willis & Sons Serial Number Chart
Our archive holds 28 Willis & Sons entries covering 1900 to 1981, spanning serial numbers 20,000 to 449,700.
Each row gives the first serial number of that year, so a number falling between two rows belongs to the earlier one. Where a chart skips years, the range covered is shown instead of a single year.
28 entries · 1900–1981
| Year | Serial numbers |
|---|---|
| 1900–1909 | 20,000 – 28,399 |
| 1910–1929 | 28,400 – 45,699 |
| 1930–1939 | 45,700 – 57,299 |
| 1940–1944 | 57,300 – 63,299 |
| 1945–1950 | 63,300 – 68,799 |
| 1951 | 68,800 – 74,699 |
| 1952 | 74,700 – 78,599 |
| 1953–1954 | 78,600 – 81,599 |
| 1955–1956 | 81,600 – 84,799 |
| 1957 | 84,800 – 92,499 |
| 1958–1959 | 92,500 – 101,999 |
| 1960 | 102,000 – 364,199 |
| 1960 | 364,200 – 370,699 |
| 1961 | 370,700 – 376,899 |
| 1962 | 376,900 – 383,099 |
| 1963–1965 | 383,100 – 397,699 |
| 1966 | 397,700 – 401,499 |
| 1967 | 401,500 – 405,199 |
| 1968 | 405,200 – 407,499 |
| 1969–1971 | 407,500 – 420,499 |
| 1972 | 420,500 – 424,899 |
| 1973 | 424,900 – 430,299 |
| 1974 | 430,300 – 433,399 |
| 1975–1977 | 433,400 – 439,999 |
| 1978 | 440,000 – 443,999 |
| 1979 | 444,000 – 446,899 |
| 1980 | 446,900 – 449,699 |
| 1981 | 449,700 and above |
Figures are drawn from published factory and historical listings and are checked for continuity; where a source is ambiguous we say so rather than guess. Spotted something wrong? Use the correction link on any result.