Resuggestion from https://backpack.tf/suggestion/6001f846b57c54055108aa01

https://marketplace.tf/items/tf2/1118;5;u3046

Nov 10 - $30 / $1.80 = 16.67 keys

Nov 22 - $31 / $1.75 = 17.71 keys

Jan 19 - $39.99 / $2.10 = 19.04 keys

https://backpack.tf/item/3063019491

https://backpack.tf/profiles/76561199100906514#!/compare/1609113600/1609200000

https://backpack.tf/profiles/76561198091502579#!/compare/1609113600/1609200000

https://gladiator.tf/sales?item=Toxic%20Terrors%20Taunt:%20Conga

https://gyazo.com/6c5e1aaceac895103fbcc9d62ea2e70c

15 keys, sold by gladiator bot

https://backpack.tf/profiles/76561198333745219#!/compare/1604102400/1604448000 deposit?

https://backpack.tf/profiles/76561198333745219#!/compare/1604448000/1604534400 maybe withdraw? but the item is received

https://backpack.tf/profiles/76561198055622215#!/compare/1604448000/1604534400

Miami Nights Gilded Guard - 15 keys https://backpack.tf/suggestion/5f8085c1110e99645a486b29

https://backpack.tf/profiles/76561198055622215#!/compare/1604966400/1605052800

https://backpack.tf/profiles/76561198397123085#!/compare/1604793600/1605052800

Arcane Assistance Taunt: Scotsmann's Stagger

https://backpack.tf/profiles/76561198397123085#!/compare/1605916800/1606003200

https://backpack.tf/profiles/76561198129197811#!/compare/1605830400/1606003200

Kinda looks bulk, multiple taunts on both ends moving at once

https://backpack.tf/profiles/76561198129197811#!/compare/1607040000/1607126400

https://backpack.tf/profiles/76561198133955369#!/compare/1606953600/1607472000

15 keys

https://backpack.tf/profiles/76561198013596262#!/compare/1603238400/1604620800

https://backpack.tf/profiles/76561198085513454#!/compare/1603670400/1603929600

Untraceable

https://backpack.tf/profiles/76561198956462009#!/compare/1605744000/1607212800

https://backpack.tf/profiles/76561199084784906#!/compare/1605657600/1605744000

https://gyazo.com/6728f3781e9cc4bbb41fb3119c09d175

only this matches

untraceable

https://backpack.tf/profiles/76561199084784906#!/compare/1607126400/1607212800

https://backpack.tf/profiles/76561198154906486#!/compare/1607126400/1607212800

I don't know

https://backpack.tf/profiles/76561198154906486#!/compare/1607904000/1608076800

https://backpack.tf/profiles/76561198316717862#!/compare/1607990400/1608076800

Bulk

https://backpack.tf/profiles/76561198316717862#!/compare/1607990400/1608076800

https://backpack.tf/profiles/76561198841279602#!/compare/1607990400/1608076800

13 keys, 15 refined

https://backpack.tf/profiles/76561198841279602#!/compare/1608163200/1608249600

https://backpack.tf/profiles/76561198813326440#!/compare/1608249600/1608336000

https://gladiator.tf/listings/5fdc489e766196ce09f02554

Likely sold for its slightly-under-15 key buyout, but untraceable

https://backpack.tf/profiles/76561198096419101#!/compare/1604620800/1604793600

https://backpack.tf/profiles/76561198826254247#!/compare/1604534400/1604620800

13 keys

https://backpack.tf/profiles/76561198826254247#!/compare/1605225600/1605312000

https://backpack.tf/profiles/76561198071193767#!/compare/1605398400/1605916800

it couldnt possibly be

could it

https://backpack.tf/profiles/76561198349848918#!/compare/1605744000/1605830400

https://backpack.tf/profiles/76561198813326440#!/compare/1605744000/1605830400

2 taunts for 35, not using

https://backpack.tf/profiles/76561198813326440#!/compare/1608076800/1608163200

https://backpack.tf/profiles/76561199004803157#!/compare/1608076800/1608163200

https://gladiator.tf/sales?item=Toxic%20Terrors%20Taunt:%20Conga

https://gyazo.com/6c5e1aaceac895103fbcc9d62ea2e70c

13 keys 15 refined, went to gladiator bot

https://backpack.tf/profiles/76561199017934530#!/compare/1603497600/1603670400

https://backpack.tf/profiles/76561198119580410#!/compare/1603670400/1603756800

14 keys

https://backpack.tf/profiles/76561198026640869#!/compare/1602979200/1603584000

https://backpack.tf/profiles/76561198838544604#!/compare/1607904000/1609718400

Untraceable

Sales found by https://backpack.tf/u/76561198061108999

https://backpack.tf/profiles/76561198114039731#!/compare/1611360000/1611446400

https://backpack.tf/profiles/76561198080236068#!/compare/1611360000/1611446400

sold for 14 keys

https://backpack.tf/profiles/76561199004803157#!/compare/1610668800/1610755200

https://backpack.tf/profiles/76561198091502579#!/compare/1610582400/1610668800

sold for 15 keys

Sales:

13 to bot

13

13 to buyer

14

14

15

15

15

15

17

18

19

https://gyazo.com/a47271b1d1ccb4d7a0d2be1c6126764d

buyers are 12.6, one at 13.1(unbumped)

Going with 13-19