Year Code |
Month Code |
A = 1961 | A = Jan |
B = 1962 | B = Feb |
C = 1963 | C = Mar |
D = 1964 | D = Apr |
E = 1965 | E = May |
F = 1966 | F = June |
G = 1967 | G = July |
H = 1968 | H = Aug |
I = 1969 | I = Sept |
J = 1970 | J = Oct |
K = 1971 | K = Nov |
L = 1972 | L = Dec |
