Suggestion: Global Clusters Brothers in Blues at 99–115 keys

Sold with a Hot Pro KS Simple Spirits Rescue Ranger (WW) (active suggestion at 23) for a Sakura Smoke Bomb Airdog (active suggestion at 19) + Blizzardy Storm Backbiter's Billycock (active suggestion at 21) + Pumpkin Moon Twisted Topper (active suggestion at 98)

Seller: https://backpack.tf/profiles/76561198316624014#!/compare/1759017600/1759104000

Buyer: https://backpack.tf/profiles/76561198252999692#!/compare/1758931200/1759104000

98 + 21 + 19 - 23 = 115

115

Current sellers:

110 keys on bp.tf (2x)

120 keys on bp.tf

200 keys on bp.tf

Sales: 152, 99, 115

Even though 115 is slightly capped by current sellers, it gives a good range if included, and also balances out the omitted 152 key mp.tf sale.

Final price: 99 - 115

sale 5 doesn't show those items in either of the compare links provided

https://backpack.tf/profiles/76561198316624014#!/compare/1759104000/1759190400

https://backpack.tf/item/16194433179

https://backpack.tf/profiles/76561198453530349#!/compare/1765497600/1765584000 — 112 keys

https://backpack.tf/profiles/76561198002229482#!/compare/1765497600/1765584000

https://backpack.tf/item/10003710188 (Near ID: 16503323552)

https://backpack.tf/profiles/76561198002229482#!/compare/1766793600/1766880000 — Untrace

https://backpack.tf/profiles/76561198119634686#!/compare/1766620800/1766793600

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https://backpack.tf/item/13616904679

https://backpack.tf/profiles/76561198311498888#!/compare/1762473600/1762560000 — 110 keys

https://backpack.tf/profiles/76561198051351810#!/compare/1762560000/1762646400

https://backpack.tf/item/16021962692 (Near ID: 16386009631)

https://backpack.tf/profiles/76561198051351810#!/compare/1767571200/1767744000 — Untrace

https://backpack.tf/profiles/76561199026390261#!/compare/1767571200/1767657600

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https://backpack.tf/item/13291029290

https://backpack.tf/profiles/76561198349848918#!/compare/1764806400/1764892800 — 110

https://backpack.tf/profiles/76561198049960124#!/compare/1723593600/1766188800

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https://backpack.tf/item/13252560531

https://backpack.tf/profiles/76561198069058750#!/compare/1764892800/1764979200

https://backpack.tf/profiles/76561198122976167#!/compare/1764806400/1764892800

Sold alongside Blades of Betrayal Sky High Fly Guy + Cranial Cowl for Frozen Icefall Bumble Beenie

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https://backpack.tf/item/13356950708

https://backpack.tf/profiles/76561199757365896#!/compare/1761955200/1768089600 — Untrace

https://backpack.tf/profiles/76561199026390261#!/compare/1763251200/1763337600

https://backpack.tf/profiles/76561199026390261#!/compare/1764288000/1764374400 — Untrace

https://backpack.tf/profiles/76561199138324590#!/compare/1763510400/1764720000

https://backpack.tf/profiles/76561199138324590#!/compare/1764806400/1764892800 — Untrace

https://backpack.tf/profiles/76561199564942025#!/compare/1764806400/1764892800

https://backpack.tf/profiles/76561199564942025#!/compare/1765065600/1765238400 — untrace

https://backpack.tf/profiles/76561198105766081#!/compare/1764892800/1764979200

https://backpack.tf/profiles/76561198105766081#!/compare/1765411200/1765497600

https://backpack.tf/profiles/76561199238450820#!/compare/1765497600/1765584000 — 120 Keys

https://backpack.tf/profiles/76561199238450820#!/compare/1765929600/1766016000 — Only metal

https://backpack.tf/profiles/76561199072652703#!/compare/1765929600/1766016000

With buyers being what they are and the new sales in the comments, this could get a tighter range. 120 could be included but with two sellers at 116 Id just make it 110-115