Is this Coach 9791 backpack authentic?

[arosewilliams]

I tried to venture into deciphering the Coach story patch numbers and was having trouble finding solid examples. Any help or resources would be greatly appreciated, I am OVERWHELMED. 

https://www.ebay.com/itm/335346218063

[albertabrightalberta]

@arosewilliams 

The backpack shown in the listing is authentic and was made in 2001. 

[sandimas · Accepted solution]

Authentic Large Daypack #9791 made in July 2001 at USA Plant D.

[arosewilliams]

Thank you! Do you have any favorite websites that break down serial numbers and story patches based on the years?