KAY BASS
Serial Number
and
Date of Manufacture
1937 Start of manufacture
1938 800
1939 2200
1940 4700
1941 7200
1942 9700
1943 10500
1944 11300
1945 12000
1946 13000
1947 15000
1948 17000
1949 19000
1950 22000
1951 25000
1952 28000
1953 31000
1954 34000
1955 37000
1956 38000
1957 39000
1958 40000
1959 41000
1960 42000
1961 43000
1962 44800
1963 46600
1964 48400
1965 50000
1966 52500
1967 55000
1968 56000
1969 57000
END OF PRODUCTION