Item 1:

https://backpack.tf/item/10796129327

Sale 1:

Sold for 9 Keys(Unusual ID: "13969179850")

https://backpack.tf/profiles/76561199106931116#!/compare/1703548800/1703635200

https://backpack.tf/profiles/76561199060126941#!/compare/1700352000/1703635200

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Item 2:

https://backpack.tf/item/9634999851

Sale 2:

Sold for 8 Keys (Unusual ID: "14274925389")

https://backpack.tf/profiles/76561198072999396#!/compare/1710201600/1710288000

https://backpack.tf/profiles/76561198194263363#!/compare/1710201600/1710288000

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Item 3:

https://backpack.tf/item/6898340091

Sale 3:

Sold for 11 Keys (Unusual ID: "14254678779")

https://backpack.tf/profiles/76561199059160806#!/compare/1709683200/1709769600

https://backpack.tf/profiles/76561198024925599#!/compare/1708992000/1709769600

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Item 4 + 5 + 6:

https://backpack.tf/item/10180376821 - Listed on Mannco

https://backpack.tf/item/10140867416 - Listed on MPTF

https://backpack.tf/item/8015694870 - Listed on MPTF

//

Total Sales

8, 9, 11

https://imgur.com/IV3p9C0

Excluding sale @ 11 Keys since there is one currently listed for 10 keys for almost a month and one for ~9 Keys on SCM

Taking 8 - 9 Keys

https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Runner%27s%20Rhythm?filter=Aurora+Borealis

One is listed on SCM for ~9 Keys