Yeethaw

https://backpack.tf/item/281109637

Sale 1) Looks like an SCM sale.

https://backpack.tf/profiles/76561198343799318#!/compare/1556064000/1556841600

https://backpack.tf/profiles/76561198257977681#!/compare/1560038400/1560211200

https://backpack.tf/item/267510271

Sale 2) ?

https://backpack.tf/profiles/76561198836709967#!/compare/1561507200/1561593600

Sale 3) ?

https://backpack.tf/profiles/76561198337734785#!/compare/1561680000/1561766400

https://backpack.tf/item/4473233811

Sale 4) ?

https://backpack.tf/profiles/76561198287382391#!/compare/1558051200/1558137600

https://backpack.tf/profiles/76561198043344845#!/compare/1557964800/1558137600

Looks like 12 Keys

Sale 5) Sold for a Smoking Detective Noir (12.75 Keys) + 23 Refined (~0.5 Keys)

https://backpack.tf/profiles/76561198043344845#!/compare/1558137600/1558310400

https://backpack.tf/profiles/76561198067771702#!/compare/1558224000/1558310400

Rounds to 13 Keys

Noir Mini

https://backpack.tf/profiles/76561198350902242#!/compare/1558396800/1558483200 - Sold for 11 Keys + 22 Refined (~0.5 Keys

https://backpack.tf/profiles/76561198143448249#!/compare/1558569600/1558656000 - Sold for 13 Keys

https://backpack.tf/profiles/76561198275783474#!/compare/1556409600/1559520000 - Sold for a Smoking Prince Tavish's Crown

https://backpack.tf/profiles/76561198080179568#!/compare/1558569600/1558656000 - Sold for 14 Keys

Taking 11.5 - 14, which averages to 12.75 Keys

Sale 6) ?

https://backpack.tf/profiles/76561198067771702#!/compare/1558310400/1558656000

https://backpack.tf/profiles/76561198079364100#!/compare/1558483200/1558569600

Sale 7) Sold for 13 Keys

https://backpack.tf/profiles/76561198079364100#!/compare/1559088000/1559260800

Sale 8) Sold for a Haunted Ghosts Snowcapped

https://backpack.tf/profiles/76561198436496929#!/compare/1559260800/1559606400

https://backpack.tf/profiles/76561198322493688#!/compare/1559520000/1559606400

High outlier.

Sale 9) Sold for an Aces High Doctor's Sack + 2 Keys + 20 Refined

https://backpack.tf/profiles/76561198322493688#!/compare/1559606400/1559692800

Low or fits in the range.

Sale 10) Sold for 12 Keys

https://backpack.tf/profiles/76561198043344845#!/compare/1559692800/1559779200

Sale 11) ?

https://backpack.tf/profiles/76561198410900299#!/compare/1559865600/1559952000

https://backpack.tf/profiles/76561198042136168#!/compare/1559779200/1559952000

https://marketplace.tf/items/tf2/322;5;u15 - Sold for $34.87 twice (high outliers) and $20 (low outlier)

https://imgur.com/a/egw5jCd - Young seller at 14 Keys

https://backpack.tf/item/267510271