Item 1:

https://backpack.tf/item/13690362085

Sale 1:

https://backpack.tf/profiles/76561199085796079#!/compare/1698278400/1698364800

https://backpack.tf/profiles/76561198389255104#!/compare/1698278400/1698364800

No trace

Sale 2:

https://backpack.tf/profiles/76561198389255104#!/compare/1698364800/1698451200

https://backpack.tf/profiles/76561198045152184#!/compare/1698192000/1698364800

Arachnes flame + stellar glow from below for celestial summit cleaners carbine

mini for glow from below

Sale 1:

https://backpack.tf/profiles/76561198197841087#!/compare/1697760000/1697846400

https://backpack.tf/profiles/76561198056086416#!/compare/1697500800/1697846400

35 keys

Sale 2:

https://backpack.tf/profiles/76561198056086416#!/compare/1698278400/1698364800

https://backpack.tf/profiles/76561198389255104#!/compare/1698278400/1698364800

60 keys trace to the bone zone blast in the first compare, so taking 45

Sale 3:

https://backpack.tf/profiles/76561198045152184#!/compare/1699747200/1704499200

https://backpack.tf/profiles/76561198025030539#!/compare/1700179200/1700524800

20 keys + otherworldly weather archers

Quick mini for sterling:

Sale 1:

https://backpack.tf/profiles/76561198045929109#!/compare/1703894400/1704153600

https://backpack.tf/profiles/76561198125791160#!/compare/1703808000/1703894400

35 keys

Sale 2:

https://backpack.tf/profiles/76561198084146269#!/compare/1698364800/1698451200

https://backpack.tf/profiles/76561198025030539#!/compare/1698278400/1698451200

1:1 for pbombs Aussie wrench

Mini for wrench

https://backpack.tf/profiles/76561198068640262#!/compare/1698278400/1698364800

https://backpack.tf/profiles/76561198202572818#!/compare/1697414400/1698278400

90 Keys

35, 110 for archers, 110 is way out of range, taking 35

taking a range of 35-55 on the glow from below

Quick Mini for celestial summit cleaners

https://backpack.tf/profiles/76561198088402413#!/compare/1697414400/1697500800

https://backpack.tf/profiles/76561198045152184#!/compare/1697414400/1697500800

97 keys trace, rounding to 100

100 - 45 = 55 Keys

Sale 3:

https://backpack.tf/profiles/76561198045152184#!/compare/1700524800/1703030400

https://backpack.tf/profiles/76561198143864870#!/compare/1702684800/1702771200

looks like 38 keys

Sale 4:

https://backpack.tf/profiles/76561198143864870#!/compare/1703203200/1703289600

https://backpack.tf/profiles/76561198346080922#!/compare/1703116800/1703289600

60 Keys

Taking a final range of 38-60 Keys