Numeri Seriali Buescher
| 5000 | 1905 |
| 5020 | 1906 |
| 6610 | 1907 |
| 7808 | 1908 |
| 8580 | 1909 |
| 11250 | 1910 |
| 13685 | 1911 |
| 15870 | 1912 |
| 18178 | 1913 |
| 22860 | 1914 |
| “Union Label” Introduced | |
| 25103 | 1915 |
| 28875 | 1916 |
| 32350 | 1917 |
| 37540 | 1918 |
| 46975 | 1919 |
| 61255 | 1920 |
| 78525 | 1921 |
| 99275 | 1922 |
| 125750 | 1923 |
| 150250 | 1924 |
| 175275 | 1925 |
| 203350 | 1926 |
| 222975 | 1927 |
| 235250 | 1928 |
| 245275 | 1929 |
| 255250 | 1930 |
| 260125 | 1931 |
| Model Introduced: Aristocrat | |
| 264025 | 1932 |
| 265523 | 1933 |
| 267356 | 1934 |
| 269000 | 1935 |
| 272896 | 1936 |
| 279300 | 1937 |
| 284418 | 1938 |
| 288024 | 1939 |
| 291000 | 1940 |
| Model Introduced: 400 | |
| 294120 | 1941 |
| 297527 | 1942 |
| 303000 | 1945 |
| 312000 | 1948 |
| 316000 | 1949 |
| 332000 | 1950 |
| 337000 | 1951 |
| 347000 | 1952 |
| 350000 | 1955 |
| 360000 | 1960 |
| Purchased by Selmer USA | |
| 381000 | 1963 |
| 408818 | 1965 |
| 520000 | 1970 |
| 630000 | 1975 |
| 785000 | 1980 |
| 875000 | 1983 |