Derp, wrong currency. Though to the one person who upvoted in less than 2 seconds, a bolted birdcage being worth 11 buds, you need to leave this site. Now.

So let's do some low-tier stuff today...

SALES:

http://www.tf2outpost.com/trade/19776121 Sold for Orb. Fire Buckaroo's (Outdated at 13 keys, mini at 13.5)

13.5 * 0.9 = 12.15 (rounding to 12)

Histories:

http://www.tf2outpost.com/item/440,2600115353,30057,5

http://www.tf2outpost.com/item/440,2600115346,322,5

http://www.tf2outpost.com/trade/19719948 Sold for... well, this: http://puu.sh/9sQuH/c8caf1e8a3.jpg (That's two ref of weapons, by the way)

(4.3 keys * 0.9) + 6 = 9.87 (rounding to 10 keys)

Histories:

http://www.tf2outpost.com/item/440,2600115353,30057,5

http://backpack.tf/profiles/76561198022235480?time=1399791600

Buckaroo Mini:

http://www.tf2outpost.com/trade/19876224 Sold for Orb. Fire Bombing run (15 keys)

15 * 0.9 = 13.5

Histories:

http://www.tf2outpost.com/item/440,2658605842,322,5

http://www.tf2outpost.com/item/440,2607301525,249,5

http://www.tf2outpost.com/trade/19834873 Sold for this: http://puu.sh/9sRje/fd817bdb6d.jpg

(7 + 5 + 1.5 + 0.5 + 1) * 0.9 = 13.5

Histories:

http://www.tf2outpost.com/item/440,2668543966,322,5

http://backpack.tf/profiles/76561198081451165?time=1400569200

Using 13.5 keys flat.

Let it ride.