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.