An unambiguous list of features that only originals show cannot be drawn up, since counterfeits have very different qualities. An indication is the inscription Pix highlighted under the clip, which is present on many originals but not on all, which is why the absence is no sure exclusion criterion. With commercial sellers with positive ratings, the risk is manageable through the legal right of return; nevertheless, purchase from the authorised specialist retailer is recommended, since internet dealers are neither tolerated nor authorised by Montblanc. In case of doubt, a staff member of a boutique can subsequently judge the authenticity.