Sale 1:

Sold for 15 keys

http://www.tf2outpost.com/trade/27963199 - B/O of 15

Seller: http://backpack.tf/profiles/76561198002186909/#!/compare/1458864000/1458950400

Cannot find buyer’s backpack

X = 15

Sale 2:

Sold with Aces High Soviet Gentleman for Australium Medi Gun

Seller: http://backpack.tf/profiles/76561198131195694/#!/compare/1456387200/1456473600

Buyer: http://backpack.tf/profiles/76561198122471148/#!/compare/1456560000/1456646400

X + 19 = 31

X = 12

Sale 3:

Sold for 10 keys

Seller: http://backpack.tf/profiles/76561198054989316/#!/compare/1453017600/1456473600

Buyer: http://backpack.tf/profiles/76561198130205261/#!/compare/1455868800/1456387200

X = 10

Sale 4:

Sold with Aces High Soviet Gentleman for Orbiting Planets Brainiac Hairpiece

Seller: http://backpack.tf/profiles/76561198122471148/#!/compare/1456646400/1458111600

Buyer: http://backpack.tf/profiles/76561198036112934/#!/compare/1456646400/1457078400

Should be used to update the Brainiac

Buyers:

11 keys:

http://www.tf2outpost.com/trade/27804899

Proving the 10 key sale is low

No current sellers

The sales:

10 (buyer counters)

12

15 (pure)

Since the sale at 12 only amounts to about 40% of the sale’s value, I don’t think it should be used. Correct me if I’m wrong, though.

(15 is a pure sale, too)

Going with 15 flat.