Damn, it doesn't cost you anything to label your proof, you know.

You need to label these, even maybe more proof, and more sellers/unsolds.

I also didn't see unsolds at 4 keys. Downvote.

What am I even looking at here?

[url]http://www.tf2outpost.com/trade/24397585[/url] - guessing it's unsold because the price is vague.

Not sure where you're getting 2.5 keys.

The price of this taunt probably isn't going to see a major drop until it hits the Mann Co Store.

You've failed to check item histories entirely :/

http://www.tf2outpost.com/trade/24447870 Sold

http://www.tf2outpost.com/trade/24397585 Sold (outdated)

http://www.tf2outpost.com/trade/24415858 3.8 keys sold

http://www.tf2outpost.com/trade/24460247 closed now, but still in user's BP

http://www.tf2outpost.com/trade/24454391 4 key sold

http://www.tf2outpost.com/trade/24441995 4 key sold

http://www.tf2outpost.com/trade/24415858 duplicate of a previous link

http://www.tf2outpost.com/trade/24192788 4 key sold

http://www.tf2outpost.com/trade/24462226 4 key sold

http://www.tf2outpost.com/trade/24456649 4 key sold

Buyers at or above suggested price:

http://www.tf2outpost.com/trade/24474998 3 keys

http://www.tf2outpost.com/trade/24473616 3 keys

http://www.tf2outpost.com/trade/24434079 3 keys

http://www.tf2outpost.com/trade/24440308 3 keys

http://www.tf2outpost.com/trade/24466325 3 keys

http://www.tf2outpost.com/trade/24431901 3 keys + 1 ref

http://www.tf2outpost.com/trade/24384692 3 keys + 3 ref

Sold at 4 keys since last suggestion:

http://i.imgur.com/amCbli6.png

http://i.imgur.com/lfWslYR.png

http://i.imgur.com/DNFeWot.png

You've also provided some 4 key solds yourself. ^^

I agree with this suggestion.