Because the partyhats were only available in limited numbers for a limited time, and have since been discontinued the lucky player to You are not allowed to view links.
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In order to get their hands on heads, or even heads in the Golden Party Hat, players must complete "various objectives" and collect eight golden shards to reward their efforts. Once all eight have been obtained, they can be made into the Golden Party Hat.
However, not only is the event time-bound, but just one golden hat is able to be crafted for each participant. Just like their predecessors from 2001 Jagex declares of the gold capes "after the cut-off time the golden hats will not be available to earn again!"
The new item's impact on the game's economy and decreases the value of existing partyhats or is an entirely new and additional premium item remains to be determined. Jagex will be marking the occasion with the same and will transform the game's Grand Exchange location into "a Golden Party Hat winter wonderland".
The golden hat serves as the crowning event (sorry) to RuneScape's all-year-long celebrations to mark the 20th anniversary. This event is launching alongside the annual partyhat event is the fourth and final stage of the anniversary adventure, Once Upon a Time, being played throughout the throughout the year.
The appropriate title is Finale The chapter is described as "the conclusion of the adventure which explores RuneScape's past present You are not allowed to view links.
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