History 1: https://backpack.tf/item/2288641486

Untrace/Dumped to a bot:

https://backpack.tf/profiles/76561198340342204#!/compare/1643068800/1643155200

https://backpack.tf/profiles/76561199132184792#!/compare/1643068800/1643155200

28 keys:

https://backpack.tf/profiles/76561199132184792#!/compare/1645056000/1645142400

https://backpack.tf/profiles/76561198392607727#!/compare/1645142400/1645228800

History 2: https://backpack.tf/item/4433819996

1:1 for a Cursed Confinement Taunt: The High Five!:

https://backpack.tf/profiles/76561199028655581#!/compare/1644710400/1644969600

https://backpack.tf/profiles/76561198220720512#!/compare/1644883200/1644969600

looks really low given the Cursed Confinement's market is between ~8-10 keys

History 3: https://backpack.tf/item/9637014509

45.55 ref matches, sold to a bot:

https://backpack.tf/profiles/76561198438600319#!/compare/1642896000/1643068800

https://backpack.tf/profiles/76561199102777012#!/compare/1643068800/1643155200

History 4: https://backpack.tf/item/9662666906

seller at $59.99 https://marketplace.tf/items/tf2/167;5;u3056

Both the buy order dumps and the 28 key sale appear on the stats https://gladiator.tf/sales?item=Shimmering%20Lights%20Taunt:%20The%20High%20Five!&at=2022-02-21T11:34:46.448Z

from Blaze:

"https://marketplace.tf/items/tf2/167;5;u3056 - sold for $59.99 (34 keys)

https://backpack.tf/profiles/76561198392607727#!/compare/1645401600/1645574400 - bulk"

Taking a wider range of 23-34 keys here despite buyers at 25 because 23 is just as common as 28-34