They should have a Date code and Serial number NOT a model number: Real LV has 6 character date code or serial number.
Louis Vuitton Bags From left to right, char 1 and char 2 are letters where char 3 to char 6 are numbers. If authentic, the char 3 is less than 1; the char 4 is higher than 8 with exception of 0; and, the char 5 and char 6 are numbers between 0 to 9. Vintage pieces may be vary from this rule; yet model number as code is big no no. Every single multicolor item should have a date code that ends in the number 3 or 4 with no exceptions, Cherry Blossom for instance!
Bar code? No such a thing.
louis vuitton handbags USABar code is only for LV associate carbon copy at the point of sale. Bar code tag has never been issued to customer. Be aware of those green envelope,
Gucci Sneakers Buy, bar code tag, card and care booklet spread out like pocker, BE CAREFUL! LV Care booklet DO NOT come with monogram bags except cherries, vernis and multi-color items. A LV card and a receipt may be more helpful