I saw a review of a Logitech G102 in an online retailer. I noticed that there's no PRODIGY written on the front side of the box. Recent reviews are complaining about this.
Logitech Prodigy G203 Gaming Mouse Review - IGN
Logitech G203 Lightsync Review: Doesn't break the mold or bank
Logitech G502X review: The best button configuration on a gaming mouse | PCWorld