"Mih cinco de mayo"

Only useable sale, all other sales were in bulk that involved higher tier unusuals.

Sellers:

http://www.tf2outpost.com/trade/25820507 150 Keys, young

http://www.tf2outpost.com/trade/25816588 150 Keys, looks young but has been unsold for a month: http://www.tf2outpost.com/trade/25540226

Sold for a Spellbound Attendant(110 Keys with Overpay) and 42 Keys(152 Keys total, rounded to 150)

http://backpack.tf/profiles/76561198134951637?time=1424246400 -> http://backpack.tf/profiles/76561198134951637?time=1424332800

http://www.tf2outpost.com/trade/24804239

150 Keys should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.