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14 years ago in MERCURY
Serial #451SL77566M(cannot decifer last digit) Style # SLM74 Body #09-66-14E129
Answers (2)
14 years ago
51 = year = 1951 SL = assembly plant = St. Louis, MO. 77566 = production sequence # M = Series = Mercury
14 years ago
Updated: Serial number is 51SL77566M I didn't realize that there was a star before and after the number that I thought was a 4.