Board Thread:General Discussion/@comment-302495-20130410034729/@comment-302495-20130427012244

Superstar21001 wrote: Beagleboyify wrote: the 4 Year Party Hat is Rare because it hasnt came back in 4 years it becomes rare if it hasnt come back in 2 years 3 years and 4 years Umm party hats never return, but as Polo Field confirmed it to be rare I expect it will become rare when it reaches 1-2 years old.

It isn't a party hat, but it is an item received from testing. So it won't return.