You are correct and there are only 31 days in January.
Not going to call it a proven fact but it is looking like
Prefix on the 69- later examples is a shift or whatever designation.
The next stuff is the date.
Suffix "A" is for the manufacturer "Arvin".
This is a work in progress.
Quote:
Originally Posted by Dusk Blue Z
I thought there were only 28 or 29 days in February.
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