YEAR
Serial number Model Number
1961 below 1,400,000 460A1, 460A2
1962 1,400,000 and up 460A1, 460A2
1963 1,524,000 and up 460A1B, 460A2B
1964 1,653,260 and up 460A1B, 460A2B
460A1C, 460A2C
1965 1,882,564 and up 460A1D, 460A2D
1965 1,885,793 and up 460A1E, 460A2E
1966 2,143,625 and up 460A1E, 460A2E
1967 2,300,000 and up 460A1E, 460A2E
1968 2,301,147 and up 460A1F, 460A2F
1969 2,304,160 and up 460A1F, 460A2F
1970 F6811 and up 460A2F
1971 F10XXX and up 460A2F
1972 some F10XXX 460A2F
1972 F20XXX and up 460A2F