Alternator decode

[livettes]

I have just picked up an alternator in a group of other parts and I am not able to decode the part number. Delco 1100859 42 Amp Date code 8H8.
Any help would be appreciated.
Jamie

[al8apex]

http://www.ebay.com/itm/Corvette-1969-350-Alternator-1100859-8L12-/231005189656?nma=true&si=m7wF6x9BhEDXhFJfIgMqn1sVG og%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l255 7

[livettes]

Thanks for your help