Item 1:

https://backpack.tf/item/11132754899

Sale 1:

https://backpack.tf/profiles/76561198188093413#!/compare/1767225600/1767312000

https://backpack.tf/profiles/76561198193881166#!/compare/1767225600/1767312000

Sold for 25 keys

Sale 2 & 3:

https://marketplace.tf/items/tf2/31241;5;u213

Sold for $49.99 on the 5th of Oct and the 15th of Nov

Keys were $1.9 on the 5th and $1.83 on the 15th

Oct sale = 26.3 (Rounding to 26)

Nov sale = 27.3 (Rounding to 27)

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Sellers:

BPTF - https://imgur.com/a/3yDCLsY - Listed on MPTF as per below

MPTF - https://marketplace.tf/items/tf2/31241;5;u213 - 1 @ 49.99 (~ 27 keys)

STN - https://stntrading.eu/item/tf2/Unusual+Twisting+Lights+El+Fiestibrero - None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20El%20Fiestibrero?filter=Twisting+Lights - None

Sale(s):

25, 26, 27

Including all sales into range 25 - 27 keys

New sale:

https://backpack.tf/profiles/76561198193881166#!/compare/1767571200/1767657600

https://backpack.tf/profiles/76561198856930387#!/compare/1767225600/1767744000

Untrace, looks like a gift. Buyer in sale 1 signed it and gave it to this user