Sale #1

https://backpack.tf/item/2677522061

Sold with a Veteran's Attire (sellers at ~1.1) for 27 keys

Seller: https://backpack.tf/profiles/76561199085116273#!/compare/1759363200/1759449600 (ID: 16237318953)

Buyer: https://backpack.tf/profiles/76561198012503085#!/compare/1759363200/1759449600

27 - 1.1 = 25.9

Rounding to 26

Sale #2

https://backpack.tf/item/2677522061

Untraceable

https://backpack.tf/profiles/76561198012503085#!/compare/1759708800/1759795200

Sale #3

https://backpack.tf/item/2677522061

21 keys 0.33 ref

Seller: https://backpack.tf/profiles/76561199581722058#!/compare/1761609600/1761696000 (ID: 16352979634)

Buyer: https://backpack.tf/profiles/76561198045611871#!/compare/1761696000/1761868800

Rounding to 21

Sale #4

https://backpack.tf/item/7957105413

23 keys 42.11 ref

Seller: https://backpack.tf/profiles/76561199111073161#!/compare/1761436800/1761523200

Buyer: https://backpack.tf/profiles/76561198044040744#!/compare/1761523200/1761609600

Key histories match

Rounding to 24

Current sellers:

$54.99 on mp.tf

40 keys on bp.tf

41 keys on bp.tf

Sales: 26, 21, 24

21 is too close to buyers as Blaze said

Final price: 24 - 26