Resuggesting from

https://backpack.tf/suggestion/614d92dd28c5c1019e6c1252

History 1:

https://backpack.tf/item/9757576712

Sale 1:

https://marketplace.tf/items/tf2/30743;5;u58

$165 / $1.89 = 87.30 keys

History 2:

https://backpack.tf/item/7428726397

Sale 2:

https://backpack.tf/profiles/76561198083029837#!/compare/1624320000/1624924800

https://backpack.tf/profiles/76561198864036921#!/compare/1624838400/1624924800

71 keys + what looks like 1 key worth of skins/metal/cosmetics

[skipping themhyy trade since that goes back to minthri]

Sale 3:

https://backpack.tf/profiles/76561198864036921#!/compare/1629244800/1629331200

https://backpack.tf/profiles/76561198354560367#!/compare/1629072000/1629331200

78 keys + cases for some reason

============= Mod Comment on previous suggestion

New sales:

https://mannco.store/item/440-cloud-9-unusual-patriot-peak

$250 / $1.68 = 148.81 keys

https://backpack.tf/profiles/76561198453530349#!/compare/1632441600/1632528000

https://gladiator.tf/listings/614eb32c4277c1312174d927 - b/o 93

90 keys + flare gun (>3) = 93

https://backpack.tf/profiles/76561198322957656#!/compare/1632528000/1632614400

100 keys

=============================================

Sales:

87

72

78

93

100

with buyers up to 77, going to take a range of 78-100