You spin my head right round.

http://backpack.tf/item/4155196424

Sale 1) Sold for a Sunbeams Amassment (110 Keys) + Slumber Boxcar (77 Keys) + Aussie Medi Gun (27 Keys)

http://backpack.tf/profiles/76561198087962998#!/compare/1483574400/1483660800

High Outlier.

Sale 2) Sold + ~6 Keys of Items for a Nether Trail Prehistoric Pullover (152.5 Keys)

http://backpack.tf/profiles/76561198076583060#!/compare/1484006400/1484092800

152.5 - 6 = 146.5, which rounds to 147 Keys

Pullover Mini

Sold + Eerie Pickelhaube for a Hellish Inferno Zoomin’ Broom + Sunbeams Screamin’ Eagle

http://backpack.tf/profiles/76561198131066806#!/compare/1486857600/1487116800

http://www.tf2outpost.com/trade/28774509 - Capped by the Buyout of 145 Keys

Sold + Aces Polar Pullover (86 Keys) + Planets Hetman’s for an Inferno Victory Lap (247.5 Keys) + Duped Burning Little Buddy

http://backpack.tf/profiles/76561198046941961#!/compare/1485734400/1485820800

http://www.tf2outpost.com/trade/28750328 - Capped by the Buyout of 180 Keys

Sale 3) Sold for a Circling Hearts Tough Stuff Muffs

http://backpack.tf/profiles/76561197995717167#!/compare/1484092800/1484265600

Fits in the range.

Tough Stuff Muffs Mini

Sold for a Scorching Flames Sole Mate + Spec KS Aussie Minigun

http://backpack.tf/profiles/76561198043991016#!/compare/1484956800/1485043200

~150 Keys

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http://backpack.tf/item/5314000262

Sale 4) Sold for a Terror-Watt Antlers (150 Keys)

http://backpack.tf/profiles/76561198064381517#!/compare/1481414400/1481500800

Antlers Mini

Sold for a Blizzardy Storm Law + 42 Keys + ~3 Keys of Items

http://backpack.tf/profiles/76561198064369627#!/compare/1484956800/1485129600

http://www.tf2outpost.com/trade/28691293 - Capped by the Buyout of 150 Keys

Sale 5) Quicksold for 130 Keys

http://backpack.tf/profiles/76561198056753441#!/compare/1481414400/1481500800

Sale 6) Sold for a Scorching Pith + Insomnia Bitey + DBD Pirate Bandana

http://backpack.tf/profiles/76561198119013032#!/compare/1482278400/1482364800

No Mini available that I could figure out for the Pith. Supports the high end.

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http://backpack.tf/item/4400026126

Sale 7) Sold for a Sunbeams Amassment (110 Keys) + Slumber Boxcar (77 Keys)

http://backpack.tf/profiles/76561198076583060#!/compare/1483401600/1483574400

http://imgur.com/a/La8gu - Capping with this 3 Month Unsold at 180 Keys

Sale 8) Sold for a Sunbeams Amassment + KaW Headsplitter + Cloud 9 Toque + 3 Keys

http://backpack.tf/profiles/76561198243530442#!/compare/1483747200/1483833600

Fits in the range and supports the high end.