Credits to La Tuya and Blaze:

https://gladiator.tf/listings/61d474ee333fd963c78687ac

https://backpack.tf/item/9295924490 - unsold at 100 keys for over a month now

77 flat would be better here given 109 looks like a high cash sale

7 recent Trades.

4 times appear to be via 3rd party sites. Lack of proof.

https://backpack.tf/item/9395483256

~ Traded here. May have been a cash trade. Lack of proof.

https://backpack.tf/profiles/76561198100334597#!/compare/1641600000/1641686400

https://backpack.tf/profiles/76561198220098345#!/compare/1641600000/1641686400

https://backpack.tf/item/9395483256

~Sold for 77 Keys Pure.

https://backpack.tf/profiles/76561198220098345#!/compare/1641686400/1641859200

https://backpack.tf/item/9395483256

~Sold in MP for $199.99 / $1.83 = 109.28 Keys

https://marketplace.tf/items/tf2/31143;5;u161

New sale: https://backpack.tf/item/9749059970

https://backpack.tf/profiles/76561198188345226#!/compare/1640476800/1646784000

https://backpack.tf/profiles/76561198377165880#!/compare/1646697600/1646784000

81 keys

https://gladiator.tf/listings/62276373c39f7ff2cc09b3f5

Buyers have risen past 81 only recently, 77 doesn't look super low either. 100 remains unsold as mentioned previously.

Going 77-81 for now.