Kay bass serial numbers
Kay started production of basses in 1937
First Bass of the Year
1938 1800
1939 4000
1940 6500
1941 8500
1942 9700
1943 10,500
1944 11,300
1945 12,000
1946 13,000
1947 15,000
1948 17,000
1949 19,000
1950 22,000
1951 25,000
1952 28,000
1953 31,000
1954 34,000
1955 37,000
1956 38,000
1957 39,000
1958 40,000
1959 41,000
1960 42,000
1961 43,000
1962 44,800
1963 46,600
1964 48,400
1965 50,000
1966 52,500
1967 55,000
1968 56,000
1969 57,000
Production Ended in October 1969 - later to be resumed as Engelhardt using the same moulds and fixtures.