Item 1: https://backpack.tf/item/15225237465

Sale 1:

https://backpack.tf/profiles/76561199026390261#!/compare/1749340800/1749427200

https://backpack.tf/profiles/76561198093177263#!/compare/1746403200/1750118400

4 keys

Item 2: https://backpack.tf/item/15528172978

Sale 2:

https://backpack.tf/profiles/76561199106867225#!/compare/1747872000/1747958400

Not unusualified

Item 3: https://backpack.tf/item/15565174510

Sale 3: Mannco.Store

Item 4: https://backpack.tf/item/15668615429

Sale 4:

https://backpack.tf/profiles/76561199072654974#!/compare/1747180800/1747267200

Not unusualified

Sale 5:

https://backpack.tf/profiles/76561199821979402#!/compare/1747267200/1747353600

Same

Sale 6:

https://backpack.tf/profiles/76561199111658162#!/compare/1748995200/1749081600

Same

Sale 7:

https://backpack.tf/profiles/76561198164003933#!/compare/1749081600/1749168000

https://backpack.tf/profiles/76561199127409503#!/compare/1749081600/1749168000

Bot dump, 1 key matches, was most likely 3 keys 11 ref https://gladiator.tf/sales?item=Skill%20Gotten%20Gains%20Taunt:%20Curtain%20Call&at=2025-07-31T09:36:21.912Z

Sale 8:

https://backpack.tf/profiles/76561199127409503#!/compare/1749254400/1749340800

https://backpack.tf/profiles/76561198127219033#!/compare/1749168000/1749254400

Untrace, none of the keys seem to match in the buyer's compare either

Possibly 4 keys 11 ref https://gladiator.tf/sales?item=Skill%20Gotten%20Gains%20Taunt:%20Curtain%20Call&at=2025-07-31T09:36:21.912Z

Sales:

4 keys confirmed, potential at 3 keys 11 ref and 4 keys 11 ref

Sellers:

BPTF - https://imgur.com/pKxpVKu 8 keys (1 month)

MPTF - https://marketplace.tf/items/tf2/31491;5;u3007 None

STN - https://stntrading.eu/item/tf2/Unusual%20Skill%20Gotten%20Gains%20Taunt:%20Curtain%20Call None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Curtain%20Call?filter=Skill+Gotten+Gains https://imgur.com/cG9QSuM None

Going with 4 keys flat