Item 1

https://backpack.tf/item/306072582

Sale 1

https://backpack.tf/profiles/76561199059698603#!/compare/1686614400/1686700800

https://backpack.tf/profiles/76561199246725367#!/compare/1686614400/1686700800

Vivid Plasma Fancy Fedora + ~14 keys < - - > Strange Killstreak Australium Grenade Launcher + Strange Specialized Killstreak Australium Flame Thrower + Killstreak Batsaber

Grenade Launcher - https://marketplace.tf/items/tf2/206;11;australium;kt-1 (Sales around ~20 keys)

Flame Thrower - https://imgur.com/a/vlTHsnY (Diffrence between buyers & sellers is like a key, taking buyers = ~23 keys)

Batsaber - https://marketplace.tf/items/tf2/30667;6;kt-1 (Sales around ~39 recently, ranging off current seller (38) = ~38.5 keys)

x + 14 = 20 + 23 + 38.5

x + 14 = 81.5

x = ~68 keys

Total Sales

68

https://imgur.com/a/FVpPeC0

Taking 68 keys c: