It's football time...

https://backpack.tf/item/6817708174

Sale 1) Sold for a Vivid Plasma Aztec Aggressor

https://backpack.tf/profiles/76561198281398809#!/compare/1539302400/1539388800

This should be used to price the Aggressor.

https://backpack.tf/item/5307913454

Sale 2) ?

https://backpack.tf/profiles/76561198054758757#!/compare/1541030400/1541116800

https://backpack.tf/profiles/76561198045043625#!/compare/1540857600/1541376000

Sale 3) Bulk sale for a Duped Sunbeams Team Captain

https://backpack.tf/profiles/76561198145896898#!/compare/1543190400/1543536000

https://backpack.tf/item/6961056249

Sale 4) Sold for ~53 Keys of Items + Green Energy Pillar (51 Keys) + Eldritch Flames Neptune's Nightmare (45 Keys) + Orbiting Planets Gibus (30 Keys)

https://backpack.tf/profiles/76561198089253101#!/compare/1537920000/1538006400

53 + 51 + 45 + 30 = 179, which I'll round to 180 Keys

Pillar Mini

https://backpack.tf/suggestion/5c042f0944325a3f171135cd - 51 Keys

Neptune Mini

https://backpack.tf/suggestion/5c060cc944325a6cfd4bdbd2 - 45 Keys

Gibus Mini

https://backpack.tf/suggestion/5c05ef3c44325a64aa3e2352 - 30 Keys

Sale 5) Sold with stuff for a Sunbeams Kiss King

https://backpack.tf/profiles/76561197971854756#!/compare/1539907200/1539993600

https://backpack.tf/profiles/76561198115721685#!/compare/1539907200/1539993600

This should be used for the Kiss King's open suggestion: https://backpack.tf/suggestion/5bf962c3cf6c7515600b9ade

https://marketplace.tf/items/30066;5;u19 - Sold for $279.99 when Keys were ~$1.87 each

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

279.99 / 1.87 = 149.7, which rounds to 150 Keys. Not including this since it's so old, but it supports a drop.

https://imgur.com/a/KnA2XQ8 - 3 Day Seller at 165 Keys, 6 Day Seller at 180 Keys, 13 Day Seller at 200 Keys, 17 Day Seller at 200 Keys, 3 Day Seller at 200 Keys

https://backpack.tf/item/5375102085

https://backpack.tf/item/6898857896

https://backpack.tf/item/6961056249

https://backpack.tf/item/6596379545

https://backpack.tf/item/5307913454

Not including the Seller at 160 Keys for now, since they claim they're only selling this at 160 for a limited time. Will change if need be.