Item History: https://backpack.tf/item/5093051245

Sale 1

https://backpack.tf/profiles/76561198152373135#!/compare/1642636800/1642723200

https://backpack.tf/profiles/76561198344363390#!/compare/1642464000/1642723200

Sold for 650 keys.

Sale 2

https://backpack.tf/profiles/76561198211826573#!/compare/1642723200/1642809600

https://backpack.tf/profiles/76561198344363390#!/compare/1642723200/1642809600

Sold with 25 keys for Pumpkin Moon Field Practice + Circling Heart Whirly Warrior + Anti-Freeze Backbiter's Billycock + The Ooze El Jefe

https://imgur.com/a/x4xpMzv

Anti-Freeze Backbiter's Billycock's price was in-date at that time (90-95 key ~ 92.50 keys)

Circling Heart Whirly Warrior's price was also in-date at that time (90-115 key ~ 102.50 keys)

The Ooze El Jefe : (300-515 keys ~ 407.50 keys)

https://backpack.tf/suggestion/6244a96a1b20e46fb4385f03

Pumpkin Moon Field Practice : 150 keys

https://backpack.tf/suggestion/6244b5b032f828575333ba16

In total : 92 + 102 + 407 + 150 = 751 keys ~ 750 keys

Sale 3

https://backpack.tf/profiles/76561198211826573#!/compare/1642982400/1643068800

redumped to a bot (untraceable), bot re-sold at the same day for 503 keys

https://imgur.com/a/HEG4Thz

Sale 4

https://backpack.tf/profiles/76561198344363390#!/compare/1645833600/1645920000

https://backpack.tf/profiles/76561199099521803#!/compare/1645833600/1645920000

Sold for a Stormy Storm Polar Pullover with 140 keys (will use as a mini for the pullover)

https://imgur.com/a/7Sn3Cml

Sale 5

https://backpack.tf/profiles/76561198344363390#!/compare/1646438400/1646524800

https://backpack.tf/profiles/76561198258937500#!/compare/1646438400/1646524800

used in a bulk trade

conclusion:

1. 650 keys

2. 750 keys

3. 503 keys ~ 500 keys

4. will use as a mini for the pullover

5. bulk

Going with 500-750 keys.