There is not paper with serial number ?Hi Vesna,
It took awhile to get pictures. Unfortunately she doesn't seem to have the white card that comes with but I got these pictures of the other ones. I hope this helps you!
For you reference this is the info from my original posting
Item: Sac De jour (souple)
Seller: Smirnoffsg
Item #: 264273981166
Link: https://www.ebay.com/itm/YSL-Saint-Laurent-Sac-De-Jour-Nano/264273981166