| Official Police Caliber .22 | |
| Year | Serial Number |
| 1930 | 1 |
| 1931 | 2200 |
| 1932 | 3000 |
| 1933 | 3500 |
| 1934 | 3600 |
| 1935 | 4000 |
| 1936 | 11000 |
| 1937 | 11150 |
| 1938 | 13000 |
| 1939 | 13600 |
| 1940 | 14000 |
| 1947 | 30001 |
| 1948 | 30600-330001 |
| 1949 | 33500-33930 |
| 1950 | 350004 |
| 1950 | 35500 |
| 1951 | 35700 |
| 1952 | 36800 |
| 1953 | 38400 |
| 1954 | 39500 |
| 1955 | 40400 |
| 1956 | 40600 |
| 1957 | 42300 |
| 1958 | 43450 |
| 1959 | 43800 |
| 1960 | 44050 |
| 1961 | 45000 |
| 1962 | 45850 |
| 1963 | 46100 |
| 1964 | 46200 |
| 1965 | 46300 |
| 1966 | 46700 |
| 47016 |