Confirmed market signal
Final Fantasy Collector Booster boxes are moving because the sealed product still contains the set's hardest-to-find Chocobo treatments, surge foils, and extended-art cards. The box price is now far above normal sealed-opening value, so completed sales matter more than the loudest listing.
Linked as related set context.
Version-specific: compare the exact set, collector number, finish, treatment, and product source before trusting the move.