Albert's Hand

https://backpack.tf/item/1871379444

Sale 1) ?

https://backpack.tf/profiles/76561198196638314#!/compare/1524700800/1524960000

Sale 2) Quicksold for 19 Keys

https://backpack.tf/profiles/76561197999919041#!/compare/1524960000/1525046400

https://backpack.tf/item/2248035104

Sale 3) Bulk sale for a Vivid Beak

https://backpack.tf/profiles/76561197970770340#!/compare/1524700800/1525046400

Sale 4) Presumably sold for 19 Keys to zol's Buy Order

https://backpack.tf/profiles/76561198084317504#!/compare/1526601600/1526688000

https://backpack.tf/item/2182133251

Sale 5) Sold + Dead Presidents Dead Cone (9 Keys) for a Steaming Killer Exclusive (31.5 Keys)

https://backpack.tf/profiles/76561198182213262#!/compare/1526688000/1526774400

31.5 - 9 = 22.5, which rounds to 23 Keys

Cone Mini

https://imgur.com/a/r0iqHVn - Seller at 9 Keys

Killer Exclusive Mini

https://backpack.tf/profiles/76561198074023654#!/compare/1529107200/1531267200 - Sold for a Cloud 9 HWNN + 3 Keys

https://backpack.tf/profiles/76561198162755452#!/compare/1531008000/1531267200 - Sold for an Orbiting Planets Brotherhood of Arms (~33 Keys)

https://cdn.discordapp.com/attachments/385447597814317057/467112434608504842/unknown.png - Sold for a Logo Dapper + 4 Keys + ~2 Keys of Items

https://backpack.tf/profiles/76561198108803496#!/compare/1526342400/1526601600 - Sold for 16 Keys + Kill-a-Watt Glengarry Bonnet (10 Keys)

https://backpack.tf/profiles/76561198102833510#!/compare/1529971200/1530316800 - Sold for a Blizzardy Storm Slo-Poke (36 Keys) + 1 Key

Taking 26 - 37, averaging to 31.5 Keys.

Brotherhood Micro

https://backpack.tf/profiles/76561198074924284#!/compare/1527379200/1527465600 - Sold for 30 Keys

https://backpack.tf/profiles/76561198312583107#!/compare/1528761600/1528848000 - Sold for a Green Confetti Law (Seller at 31 Keys) + 4 Keys

https://backpack.tf/profiles/76561198314599222#!/compare/1528675200/1528761600 - Sold + SGG Oblooterated (6.75 Keys) for a Terror Casemaker (42 Keys)

Glengarry Micro

https://backpack.tf/suggestion/5b486307cf6c752e8d695427 - 10 Keys

Slo-Poke Micro

https://backpack.tf/suggestion/5b4821bb44325a14aa5e87ed - 36 Keys

Sale 6) Sold + Dead Presidents Dead Cone (9 Keys) for a Neutron Star Harmburg (42 Keys) + Mega Strike Deep Fried Desire (5.5 Keys)

https://backpack.tf/profiles/76561198144109887#!/compare/1526688000/1526774400

High outlier.

Harmburg Mini

https://backpack.tf/suggestion/5b47cfafcf6c753fbf1c9086 - 42 Keys

Sale 7) ?

https://backpack.tf/profiles/76561198135018939#!/compare/1526688000/1526774400

https://backpack.tf/item/1998231543

Sale 8) Sold for a Disco Beat Down Bot Dogger (24.5 Keys)

https://backpack.tf/profiles/76561198056859653#!/compare/1519948800/1524441600

Rounds to 25 Keys

Dogger Mini

https://backpack.tf/profiles/76561198061099804#!/compare/1525824000/1525910400 - Sold for 20 Keys

https://backpack.tf/profiles/76561198071012049#!/compare/1526774400/1526860800 - Sold for 29 Keys

https://backpack.tf/profiles/76561198165941208#!/compare/1526515200/1526601600 - Sold for a T-W Brain Bucket + Strange KaW Conq + ~2.5 Keys of Items

https://backpack.tf/profiles/76561198329679481#!/compare/1524096000/1526256000 - Sold + 10 Keys for a Circling TF Logo Dr's Dapper Topper

https://backpack.tf/profiles/76561198286453411#!/compare/1524268800/1524441600 - Sold for 22 Keys

https://backpack.tf/profiles/76561198814345631#!/compare/1526428800/1526601600 - Sold + ~1 Key of Items for 22 Keys

https://backpack.tf/profiles/76561198814345631#!/compare/1526601600/1526688000 - Sold + ~1 Key of Items for 22 Keys

Taking 20 - 29 Keys.

Sale 9) Sold for 21 Keys

https://backpack.tf/profiles/76561198155476440#!/compare/1524614400/1524787200

Sale 10) Quicksold for 22 Keys

https://backpack.tf/profiles/76561198117655130#!/compare/1524268800/1524873600

Sale 11) Sold for 20 Keys

https://backpack.tf/profiles/76561198163041781#!/compare/1527897600/1527984000

https://imgur.com/a/fSscSQH - Seller at 20 Keys

https://backpack.tf/item/1871379444