The Star at the Top

https://backpack.tf/item/210314399

Sale 1) Sold for a Fountain of Delight Rock, Paper, Scissors + Stormy Storm Company Man + ~2 Keys of Items

https://backpack.tf/profiles/76561198115179017#!/compare/1512345600/1512432000

This sale would better be used to price the Rock, Paper, Scissors.

https://backpack.tf/item/219470621

Sale 2) Sold for a Roboactive Jumper's Jeepcap (47 Keys) + Killstreak Australium Rocket Launcher (33 Keys) + ~4 Keys of Items

https://backpack.tf/profiles/76561198128838220#!/compare/1510272000/1510358400

47 + 33 + 4 = 84, which I'll round up to 85 Keys

Jeepcap Mini

https://backpack.tf/suggestion/5a2c613a44325a7631509173 - 47 Keys

Sale 3) Sold for a Spellbound Tavish Degroot Experience (104 Keys) + 6 Keys

https://backpack.tf/profiles/76561198071230830#!/compare/1510358400/1510444800

http://www.tf2outpost.com/trade/29435989 - Capped by the Buyout of 100 Keys

https://backpack.tf/item/214179003

Sale 4) Sold for a Duped Overclocked Team Captain + Duped Blizzardy Storm Killer Exclusive

https://backpack.tf/profiles/76561198087962998#!/compare/1508025600/1508112000

High Outlier.

Sale 5) Sold for a Scorching Flames Noble Amassment of Hats (100 Keys) + 10 Keys

https://backpack.tf/profiles/76561198325122549#!/compare/1511308800/1511395200

100 + 10 = 110 Keys

Noble Mini

https://backpack.tf/suggestion/5a2c6a48cf6c7548c2388d64 - 100 Keys

Sale 6) Sold for 95 Keys

https://backpack.tf/profiles/76561198015296784#!/compare/1512604800/1512691200