Keystone Badges Blue & Olive Badges

1961-62

No number

1969

765XXX - 834XXX

1963 No number - 7900 1970 (Out of sequence, unnumbered)
1964 9XXX - 33449 1971 835XXX - 895XXX
1965 108532 - 259XXX 1972 896XXX - 916XXX
1966 260XXX - 449XXX 1976 917XXX - 1290XXX
1967 450XXX - 548XXX 1978 XXXXXXX
1968 549XXX-665372 1979 XXXXXXX - 2013537
1969 670XXX-741215    

Note: X's are used as digit indicators for this list. X's were not actually used in the serial numbers.

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