https://backpack.tf/item/6253930924

https://marketplace.tf/items/tf2/1182;5;u3023

18.49/2.00 = 9.25 rounding to 9 keys

https://backpack.tf/item/8184474030

https://gyazo.com/49815d805ee5215469b0f23b1815c89b

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Hellish Inferno Oblooterated Mini:

Unknown history

https://marketplace.tf/items/tf2/1120;5;u3013

40/2 = 20 keys

Current sellers at 15 keys

https://gyazo.com/c6a4dc68b8c9f906759c0301ea97dd31

Excluding

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https://backpack.tf/item/6262836646

https://backpack.tf/profiles/76561198200755228#!/compare/1686009600/1686441600

https://backpack.tf/profiles/76561198082615242#!/compare/1686355200/1686614400

12 keys 40 ref

https://backpack.tf/profiles/76561198082615242#!/compare/1686614400/1686700800

https://backpack.tf/profiles/76561199028986377#!/compare/1680652800/1686700800

Idk, maybe bulk for Pumpkin Moon Hat Outta Hell

Sales @ 9, 12.7, 20 (excluding 20)

Taking 9-13 keys