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Style 9085 is the Duffle Sac and that one was made in 1997.
The link below has information about how to determine a year of manufacture.
http://search.reviews.ebay.com/members/salearea?uaid=41262657&uan=salearea&uqt=g
Gosh that was really quick - thanks!! And if anyone is able to authenticate as well that would be so amazing.
Sorry I wasn't clear. It's authentic. I wouldn't give it a Coach "name" if it was a counterfeit.