Can you tell me if my long champ purse is real or fake?

[stantomm]

 Hello I have a Longchamp Roseau

 

 

 

dark brown leather Crossbody purse. It does not have a tag inside and I don’t know how to tell if it’s real or fake can you look at my pictures and see if they help

[stantomm]

 

It does have a tag inside can you help? 

[stantomm]

bump any help is appreciated

[stantomm]

am I on the right board