:shrug:

Credits to Groseille and the King:

Item 1

Sale 1:

https://backpack.tf/suggestion/61e3e66df54b5617ce6ade68 - 400 Pure

Sale 2: (https://i.imgur.com/x9YyHql.png and https://i.imgur.com/Hl0i92Q.png)

https://backpack.tf/profiles/76561198080236068#!/compare/1643068800/1643155200

https://backpack.tf/profiles/76561199051663598#!/compare/1643068800/1643155200 - 441 Pure + Professional Killstreak Australium Rocket Launcher

Mini for Professional Killstreak Australium Rocket Launcher:

Past 7 days:

1 @ 81 keys 0.88 ref

1 @ 81 keys 39.55 ref

1 @ 82 keys 16.33 ref

1 @ 82 keys 31.33 ref

1 @ 82 keys 36.33 ref

1 @ 82 keys 38.55 ref

1 @ 82 keys 40 ref

https://gladiator.tf/sales?item=Strange%20Professional%20Killstreak%20Australium%20Rocket%20Launcher&at=2022-01-26T21:53:17.169Z (https://i.imgur.com/uawJ0lc.png)

Taking and rounding to 82 flat

441 + 82 = 523 as final price for Sale 2 (Rounding down to 520)

(Thanks for the help K1ng)

New sale: https://backpack.tf/profiles/76561199051663598#!/compare/1645488000/1645574400

https://backpack.tf/profiles/76561198000247762#!/compare/1645488000/1645574400

Use there.

400-520.