I would really appreciate the help of Céline experts. I purchased a nano Luggage in souris from a reputable second hand shop and in addition to that had it authenticated by a professional service. Still, there’s something bugging me and even after thorough research I couldn’t find any information. The strap on the nano luggage looks so different from that of my yellow belt bag which I bought in the Céline store last year. The closure looks so different and the Céline logo is upside down. Is this an older design or should I be worried? Thank you so much in advance, any help would be appreciated