More sales to consider:

Found 5 instances with non-empty history.

[Instance #0]: https://backpack.tf/item/7957101862

[Transaction #0]:

https://backpack.tf/profiles/76561198248627054#!/compare/1653609600/1666915200

https://backpack.tf/profiles/76561198091502579#!/compare/1660694400/1661040000

Checking for common item ids on both sides of transaction:

[Added]:

Amethyst Winds Taunt: Conga - 0.0 keys - 1 items

Arcane Assistance Taunt: Oblooterated - 0.0 keys - 1 items

Aurora Borealis Taunt: The Scooty Scoot - 0.0 keys - 1 items

Aurora Polaris Taunt: Bucking Bronco - 0.0 keys - 1 items

Aurora Polaris Taunt: Mannrobics - 0.0 keys - 1 items

Bee Swarm Fire Fighter - 0.0 keys - 1 items

Blizzardy Storm Carouser's Capotain - 9.262 keys - 1 items

Burning Flames Brim of Fire - 105.134 keys - 1 items

Cavalier de Carte Taunt: Conga - 40.051 keys - 1 items

Circling Heart Citizen Cane - 31.04 keys - 1 items

Cursed Confinement Taunt: Spin-to-Win - 0.0 keys - 1 items

Disco Beat Down Fire Fighter - 28.036 keys - 1 items

Green Energy Field Practice - 77.099 keys - 1 items

Green Energy Fire Fighter - 42.054 keys - 1 items

Kill-a-Watt Modest Pile of Hat - 23.029 keys - 1 items

Mega Strike Taunt: The Trackman's Touchdown - 5.507 keys - 1 items

Miami Nights Head Warmer - 32.041 keys - 1 items

Miami Nights Snowcapped - 16.521 keys - 1 items

Miami Nights Tough Guy's Toque - 18.023 keys - 1 items

Nether Wisps Taunt: The Dueling Banjo - 0.0 keys - 1 items

Nether Wisps Taunt: The Victory Lap - 15.019 keys - 1 items

Orbiting Planets Hong Kong Cone - 27.535 keys - 1 items

Poisonous Bubbles of Regret Taunt: The Scooty Scoot - 20.026 keys - 1 items

Scorching Flames Engineer's Cap - 63.581 keys - 1 items

Screaming Tiger Taunt: The Scooty Scoot - 8.01 keys - 1 items

Spectral Shackles Taunt: Second Rate Sorcery - 0.0 keys - 1 items

Stormy Storm Safe'n'Sound - 14.519 keys - 1 items

Strange Eyes of Molten Elf Care Provider - 0.0 keys - 1 items

Strange Pale Nimbus Brain-Warming Wear - 0.0 keys - 1 items

Sunbeams Cloud Crasher - 80.102 keys - 1 items

Sunbeams Federal Casemaker - 140.179 keys - 1 items

Sunbeams Sky High Fly Guy - 27.535 keys - 1 items

Sunbeams Throttlehead - 0.0 keys - 1 items

Twinkling Lights Taunt: The Soviet Strongarm - 16.02 keys - 1 items

Vivid Plasma Neckwear Headwear - 28.036 keys - 1 items

Wintery Wisp Taunt: The Trackman's Touchdown - 4.356 keys - 1 items

[Removed]:

[Sum added]: 872.7149999999999 keys

[Sum removed]: 0 keys

[Transaction #1]:

https://backpack.tf/profiles/76561198091502579#!/compare/1660521600/1660694400

https://backpack.tf/profiles/76561199132157247#!/compare/1660694400/1660780800

Checking for common item ids on both sides of transaction:

[Added]:

Miami Nights Head Warmer - 32.041 keys - 1 items

[Removed]:

[Sum added]: 32.041 keys

[Sum removed]: 0 keys

[Transaction #2]:

https://backpack.tf/profiles/76561199132157247#!/compare/1660089600/1660176000

https://backpack.tf/profiles/76561198326254870#!/compare/1660176000/1660435200

Checking for common item ids on both sides of transaction:

[Added]:

Miami Nights Head Warmer - 32.041 keys - 1 items

Scrap Metal - 0.0 keys - 2 items

[Removed]:

Mann Co. Supply Crate Key - 1 keys - 1 items

[Sum added]: 32.041 keys

[Sum removed]: 1 keys

[Instance #1]: https://backpack.tf/item/7956407317

[Transaction #0]:

https://backpack.tf/profiles/76561198084073261#!/compare/1664841600/1666742400

https://backpack.tf/profiles/76561198045749377#!/compare/1661472000/1661558400

Checking for common item ids on both sides of transaction:

[Added]:

Miami Nights Head Warmer - 32.041 keys - 1 items

[Removed]:

[Sum added]: 32.041 keys

[Sum removed]: 0 keys

[Transaction #1]:

no proper comparison found

https://backpack.tf/profiles/76561198261268231#!/compare/1659484800/1661558400

[Instance #2]: https://backpack.tf/item/2298459037

[Instance #3]: https://backpack.tf/item/2172089016

[Instance #4]: https://backpack.tf/item/1792729114