Item 1

https://backpack.tf/item/6962233957

Sale 1

https://backpack.tf/profiles/76561198220098345#!/compare/1712707200/1712793600

https://backpack.tf/profiles/76561198027458189#!/compare/1712793600/1712880000

210 keys (14358561776)

Item 2

https://backpack.tf/item/5489015077

Sale 2

https://backpack.tf/profiles/76561198132129628#!/compare/1718755200/1719360000

https://backpack.tf/profiles/76561199183171982#!/compare/1719273600/1719360000

No clue

Sale 3

https://marketplace.tf/items/tf2/30704;5;u104

$369.99 / $1.66 = ~223 keys (Jun 28)

Item 3

https://backpack.tf/item/9214491682

Sale 4

https://backpack.tf/profiles/76561198327503564#!/compare/1719619200/1719705600

https://backpack.tf/profiles/76561198443786692#!/compare/1719619200/1719705600

No clue

Item 4

https://backpack.tf/item/4286178234

Sale 5

https://backpack.tf/profiles/76561198205371216#!/compare/1712793600/1712966400

https://backpack.tf/profiles/76561198400207211#!/compare/1712793600/1712880000

Green Energy Law + 70 keys

Green Energy Law in-date @ 98.5 keys

98.5 + 70 = ~169 keys

Sale 6

https://backpack.tf/profiles/76561198400207211#!/compare/1713052800/1713139200

https://backpack.tf/profiles/76561198076467300#!/compare/1712966400/1713139200

Bulk for a Strange Blizzardy Storm Villain's Veil

Sale 7

https://backpack.tf/profiles/76561198076467300#!/compare/1713139200/1713225600

https://backpack.tf/profiles/76561198860735519#!/compare/1713139200/1713225600

Bulk for a Harvest Moon Swagman's Swatter

Sale 8

https://backpack.tf/profiles/76561198860735519#!/compare/1714867200/1714953600

https://backpack.tf/profiles/76561199134603763#!/compare/1714867200/1714953600

175 keys

Sale 9

https://backpack.tf/profiles/76561199134603763#!/compare/1716422400/1716681600

https://backpack.tf/profiles/76561198044006735#!/compare/1716595200/1716768000

Re-sold for 153 keys?

Sale 10

https://backpack.tf/profiles/76561198044006735#!/compare/1717718400/1717891200

https://backpack.tf/profiles/76561198048792033#!/compare/1717804800/1717891200

1 for 1 with a Bubbling Bonk Boy

No usable sales for the bonk boy that I could trace...

Total Sales

153, 169, 175, 210, 223

https://imgur.com/a/qBr9P1B

175 re-sold for 153, I'll exclude those two sales

Rounding and taking 170 - 220 keys c:

Unsolds:

https://backpack.tf/item/4286178234 - 222