ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1964 1/2 - 1965 => Topic started by: acman63 on May 13, 2015, 05:02:03 PM
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who can tell me what this stamped in date means 6 17 M4 Im think 1964 stamping but what does the M stand for if its not the month
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June 17, '64.
The 'M' most likely indicates the stamping plant, which would have been Monroe, MI.
I have seen Fall of '64 cars with 'M5' codes, so it seems that the date stamps might not have followed the actual year, but the production/model year.
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so this would be June 17th 64?
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Yes