Lancel Brigitte Bardot Authentique Help?

[Blossom_Gri]

Hi! Does anyone know should they have all a serial number inside for being authentique?

 

[Lajka]

Hi! Does anyone know should they have all a serial number inside for being authentique?

yes, they have,

 

[Blossom_Gri]

yes, they have,

The one bag I have has just a serial number A code and on the other side 4 letters.
The other bag has just 4 letters on a leather tag. Are they both authentic?