Unknown Stamp - Not sure what this item is?

[Smartin72!]

I got some pictures when I bought the car of several stamp photos that were taken throughout restoration, etc. I honestly am not sure what this is or what the stamp means.  Any ideas? Looks like there is a partial VIN in there, but I can't tell

[bcmiller]

That is the alternator.

[buenymayor]

Feb 19th, 1969 (9B19) Very desirable alternator as the 837 was used on all the solid lifter engines in '69.

[Smartin72!]

Was that the factory installed alternator for Z28's in 1969? The date of Feb 69, aligns pretty well with the build date of March 69...  at a minimum, a period correct part....

[x66 714]

Was that the factory installed alternator for Z28's in 1969? The date of Feb 69, aligns pretty well with the build date of March 69...  at a minimum, a period correct part....

Yes...Joe