Team 3

http://backpack.tf/item/2936344777

Sale 1) Sold for a Steaming Tree + 7 Keys

http://backpack.tf/profiles/76561198335312121#!/compare/1487894400/1487980800

Bit old, but supports the price.

Sale 2) Sold for a Miami Hive + Stormy Sola + Kill-a-Watt Hard Counter (11 Keys)

http://backpack.tf/profiles/76561198316071886#!/compare/1488585600/1488844800

High Outlier

Sale 3) Sold for a Field-Tested Cool Forest Fire Flame Thrower (29 Keys)

http://backpack.tf/profiles/76561198090476437#!/compare/1489363200/1489449600

http://backpack.tf/item/2761594087

Sale 4) Sold + 2 Keys for a Starstorm Slumber Brigade Helm (33 Keys)

http://backpack.tf/profiles/76561198091126469#!/compare/1488412800/1488499200

33 - 2 = 31 Keys

Brigade Mini

http://backpack.tf/suggestion/59056ebce338776b685ea675 - 32 Keys

Sale 5) Sold for 25 Keys

http://backpack.tf/profiles/76561198073425121#!/compare/1489190400/1489276800

Sale 6) Sold for 25 Keys

http://backpack.tf/profiles/76561198300222787#!/compare/1489363200/1489536000 - Seller’s Backpack

http://backpack.tf/profiles/76561198091502579#!/compare/1489449600/1489536000 - Buyer’s Backpack

Sale 7) Sold for a Duped Orbiting Fire Cold Killer (26 Keys) + ~1 Key of Items

http://backpack.tf/profiles/76561198091502579#!/compare/1489795200/1489881600

26 + 1 = 27 Keys

Cold Killer Mini

http://backpack.tf/profiles/76561198129366605#!/compare/1492992000/1493078400 - Sold for a HG Noir (24 Keys)

http://backpack.tf/profiles/76561198091502579#!/compare/1491782400/1491868800 - Sold for a Duped Peace Mining

http://www.tf2outpost.com/trade/28866755 - Capped by the Buyout of 28 Keys

http://backpack.tf/profiles/76561198103632590#!/compare/1489881600/1490054400 - Sold for a Smoking Sole (25 Keys)

http://backpack.tf/profiles/76561198139276623#!/compare/1489622400/1489708800 - Sold for 24 Keys

Sale 8) Sold for a Smoking Bonk Boy

http://backpack.tf/profiles/76561198257669162#!/compare/1489881600/1489968000

Fits in the range.

Sale 9) Sold + ~4 Keys of Items for a Duped Flaming Lantern Bonk Helm

http://backpack.tf/profiles/76561198083030915#!/compare/1491091200/1491177600

This would be better used for the Bonk Helm.

Sale 10) Sold for 29 Keys

http://backpack.tf/profiles/76561198064062449#!/compare/1491177600/1491264000 - Seller’s Backpack

http://backpack.tf/profiles/76561198052256913#!/compare/1491264000/1491436800 - Buyer’s Backpack

Some of the Keys went for the Australium Eyelander.

Sale 11) Sold + 5 Keys for a Stormy Storm Hat With No Name (36 Keys)

http://backpack.tf/profiles/76561198052256913#!/compare/1491696000/1492041600

http://imgur.com/a/GKNJt

36 - 5 = 31 Keys

Hat With No Name Mini

Sold for a Searing Nano + Logo Toque + ~3 Keys of Items

http://backpack.tf/profiles/76561198052256913#!/compare/1492560000/1492646400

http://www.tf2outpost.com/trade/28875839 - Capped by the Buyout of 36 Keys