The following message was just published on neopets news:
~NC MALL NEWS The NC Mall is preparing to clean out our closet and send some great deals your way for the annual Spring Cleaning Sale! 5 retired Gift Box Mystery Capsules from Y22 will be returning to the NC Mall this weekend at discounted rates. Get ready for some savings, as these Gift Box Mystery Capsules will all be available for 50% off on April 24th and 25% off on April 25!~
(you need an account to see links)
Wish they would increase the gift box chances again this time around xD