Orb Planets Dragonborn Helm

http://www.tf2pricecheck.net/Thread-PC-Orbiting-Planets-Dragonborn-Helmet - Valued at 1.5 buds

http://www.tf2outpost.com/trade/4789723 - Got offered:

Orb. Planets One Man Army + 24 keys (1.6 buds)

Orb. Planets Cowl + keys (1.6+ buds)

P. Energy Hetman’s (1.4 buds)

Conclusion

Sorry for the lack of proof but this is all that I could gather as this is the only hat on Outpost. Threre’s one on bazaar but rarely no one goes there and there aren’t any offers on it yet. This hat with the effect is definitely not the 2nd lowest priced.