Pyromania

https://backpack.tf/item/7422577635

Sale 1) Sold for 90 Keys

https://backpack.tf/profiles/76561198111733936#!/compare/1551571200/1551916800

https://backpack.tf/profiles/76561198152010204#!/compare/1551744000/1551916800

https://backpack.tf/item/7505590948

Sale 2) Sold for a Haunted Ghosts Chill Chullo + 10 Keys

https://backpack.tf/profiles/76561198060212574#!/compare/1550188800/1550275200

https://backpack.tf/profiles/76561198193725573#!/compare/1550188800/1550275200

Using this sale for the Chullo.

https://backpack.tf/item/7584997183

Sale 3) Sold + Purple Confetti Brotherhood of Arms (47 Keys) for a Sunbeams Cotton Head

https://backpack.tf/profiles/76561198040965000#!/compare/1555200000/1556323200

This should be used to drop the Cotton Head.

https://imgur.com/a/P3N1rZW - This sale had a Buyout of 90 Keys regardless.

Sale 4) Sold for a Starstorm Insomnia Killer Exclusive + 15 Keys

https://backpack.tf/profiles/76561198306872661#!/compare/1556755200/1556841600

https://imgur.com/a/YCr5yol - Capped by the Buyout of 80 Keys

https://backpack.tf/item/7666325992

Sale 5) Sold for 60 Keys + 10 Refined to a buy order

https://backpack.tf/profiles/76561198140380043#!/compare/1554076800/1554163200

https://backpack.tf/item/6741329095

Sale 6) Sold + 10 Keys + ~2 Keys of Items for a Duped Purple Energy Company Mann

https://backpack.tf/profiles/76561198256421691#!/compare/1553558400/1553644800

https://backpack.tf/profiles/76561198011321852#!/compare/1553472000/1553558400

No mini on the Company Mann. The clean version is being dropped to 85.5 Keys -> https://backpack.tf/suggestion/5cbd0a95d38172466910903a

https://backpack.tf/item/7702616513

Sale 7) ?

https://backpack.tf/profiles/76561198027378787#!/compare/1556150400/1556236800

https://backpack.tf/profiles/76561198047819527#!/compare/1556150400/1556236800

Sale 8) ?

https://backpack.tf/profiles/76561198047819527#!/compare/1556150400/1556236800

https://backpack.tf/profiles/76561198859721638#!/compare/1556150400/1556236800

Sale 9) Something involving a Double Spelled Vivid Plasma Brotherhood of Arms

https://backpack.tf/profiles/76561198859721638#!/compare/1556236800/1556323200

https://backpack.tf/profiles/76561198846276257#!/compare/1556150400/1556323200

Sale 10) Sold + 24 Keys for a Searing Plasma Pyromancer's Mask (99 Keys)

https://backpack.tf/profiles/76561198846276257#!/compare/1556150400/1556323200

https://backpack.tf/profiles/76561198317061799#!/compare/1556150400/1556323200

99 - 24 = 75 Keys

Sale 11) Sold for 72 Keys

https://backpack.tf/profiles/76561198317061799#!/compare/1556409600/1556755200

https://backpack.tf/item/7638131374

Sale 12) Sold for 76 Keys

https://backpack.tf/profiles/76561198887631732#!/compare/1553558400/1554336000

https://backpack.tf/profiles/76561198173073890#!/compare/1553558400/1553644800

Sale 13) Sold for 45 Keys + Miami Nights Killer's Kabuto (27.5 Keys) + Miami Nights Airdog (17.5 Keys)

https://backpack.tf/profiles/76561198173073890#!/compare/1556150400/1556323200

45 + 27.5 + 17.5 = 90 Keys

Kabuto Mini

https://marketplace.tf/items/152;5;u61 - Sold for $49.50 when Keys were ~$1.79 each and $44.44 when Keys were ~$1.77 each

https://marketplace.tf/items/5021;6/Mann%20Co.%20Supply%20Crate%20Key

49.50 / 1.79 = 27.65, which rounds to 28 Keys

44.44 / 1.77 = 25.1, which rounds to 25 Keys

https://backpack.tf/profiles/76561198056481907#!/compare/1552348800/1552435200 - Sold for 26 Keys + 21 Refined

https://backpack.tf/profiles/76561198173073890#!/compare/1556496000/1556668800 - Sold for 26 Keys + 13 Refined

https://backpack.tf/profiles/76561198367664346#!/compare/1554249600/1554336000 - Sold for 29 Keys

Taking 26 - 29 Keys.

Airdog Mini

https://marketplace.tf/items/30767;5;u61 - Sold for $31.99 when Keys were ~$1.80 each

https://marketplace.tf/items/5021;6/Mann%20Co.%20Supply%20Crate%20Key

31.99 / 1.8 = 17.77, which rounds to 18 Keys

https://imgur.com/a/E5h3URq - Seller at 17 Keys

https://imgur.com/a/qdmYcBm - Young Seller at 86 Keys, 1 Week Seller at 88 Keys

https://backpack.tf/item/7702616513

https://backpack.tf/item/7666325992