Clove

https://backpack.tf/item/1228950331

Sale 1) Sold for 35 Keys

https://backpack.tf/profiles/76561197971424330#!/compare/1523232000/1523318400

https://backpack.tf/profiles/76561198195734346#!/compare/1523232000/1523318400

https://snag.gy/KbsjGR.jpg - Thanks, Lemons

Low outlier.

Sale 2) Sold for a Something Burning This Way Comes Brain-Warming Wear

https://backpack.tf/profiles/76561198196947639#!/compare/1524096000/1524268800

This is being used to price the Wear.

Sale 3) Sold for a Pro KS Strange Festive Medi Gun (~23 Keys) + Pro KS Aussie Grenade Launcher (~21 Keys)

https://backpack.tf/profiles/76561198196947639#!/compare/1524355200/1524441600

23 + 21 = 44 Keys

Sale 4) Bulk sale

https://backpack.tf/profiles/76561198061921663#!/compare/1524441600/1524528000

Sale 5) Sold for $90 when Keys were ~$1.97 each

https://marketplace.tf/items/102;5;u38

90 / 1.97 = 45.68, which rounds to 46 Keys