4 months old price.

Sales:

#1:

Added 5 keys for a Purple Energy Gonzilla (2.4 at the time) = 2.1

http://www.tf2outpost.com/trade/22758774

Backpack - Seller

Before: http://backpack.tf/profiles/76561198047299513?time=1411369200

After: http://backpack.tf/profiles/76561198047299513?time=1411496031

Backpack - Buyer

Before: http://backpack.tf/profiles/76561198083267106?time=1411369200

After: http://backpack.tf/profiles/76561198083267106?time=1411496031

#2:

Added with the Ghosts Gonzilla a Stormy Storm Yellow belt (2.8 * 0.9 = 2.5) + Terror-Watt Noble Nickel (1.8 * 0.9 = 1.6) for a Miami Nights Antlers (6.3) = 2.2 * 0.9 = 1.98, rounded to 2.

http://www.tf2outpost.com/trade/21887329

Backpack - Seller

Before: http://backpack.tf/profiles/76561198083033235?time=1408518000

After: http://backpack.tf/profiles/76561198083033235?time=1408604400

Backpack - Buyer

Before: http://backpack.tf/profiles/76561198070651601?time=1408518000

After: http://backpack.tf/profiles/76561198070651601?time=1408604400

#3

Bought for 2 buds, recieved 2 keys in return = 1.9 at the time.

http://backpack.tf/profiles/76561198108028888?time=1411887600

http://backpack.tf/profiles/76561198108028888?time=1413010800

#4:

Traded for a Ghosts Doctor's Sack (1.5 * 0.9 = 1.35) + 8 keys + ~1 key in items * 0.9 = 1.9

http://www.tf2outpost.com/trade/22052758

Backpack - Seller

Before: http://backpack.tf/profiles/76561198055801646?time=1408183417

After: http://backpack.tf/profiles/76561198055801646?time=1408345200

Backpack - Buyer

Before: http://backpack.tf/profiles/76561198095356783?time=1408183417

After: http://backpack.tf/profiles/76561198095356783?time=1408345200

#5:

Sold for a Strange killstreak festive Rocket Launcher with Strange parts (~2)

http://www.tf2outpost.com/trade/23069428

Backpack - Seller:

Before: http://backpack.tf/profiles/76561198048129011?time=1412838000

After: http://backpack.tf/profiles/76561198048129011?time=1412924400

Backpack - Buyer:

Before: http://backpack.tf/profiles/76561198039260384?time=1412838000

After: http://backpack.tf/profiles/76561198039260384?time=1412924400

Sellers:

http://www.tf2outpost.com/trade/22899569 - b/o 1.9

http://www.tf2outpost.com/trade/23189114 - b/o 1.9

http://www.tf2outpost.com/trade/22162816 - b/o 2