Originally Posted by 824tsv
Your Model 29-3 dates to about 1987. Member Kernel Crittenden can probably narrow that down to month.
The bulk of the ship dates for this prefix are clustered very precisely in the date range of....
December 1987 - February 1988.
But at the time, blue 8 3/8-inch N-frames weren't exactly flyin' off the shelves. (I know. Hard to believe, right?). It may of shipped some months latter.