Sale 1:

Sold for 3 keys

https://backpack.tf/profiles/76561198931286318#!/compare/1710201600/1710374400

https://backpack.tf/profiles/76561199589578319#!/compare/1710288000/1710460800

https://backpack.tf/item/12811415066

= 3 keys

Sale 2:

Sold with 2 ref for 3 keys

https://backpack.tf/profiles/76561198316831771#!/compare/1709596800/1709683200

https://backpack.tf/profiles/76561197996845174#!/compare/1709424000/1709683200

https://backpack.tf/item/12811415066

= 2.95 keys

Sale 3:

Sold for ~2.65 keys worth of taunts (at the time)

https://backpack.tf/profiles/76561198061270437#!/compare/1709769600/1709856000

https://backpack.tf/profiles/76561198433249004#!/compare/1709164800/1710115200

https://backpack.tf/item/12811415066

= 2.65 keys

Sale 4:

Sold for 2 keys + ~15.66 ref in cosmetics

https://backpack.tf/profiles/76561197996845174#!/compare/1709424000/1709683200

https://backpack.tf/profiles/76561198061270437#!/compare/1709596800/1709683200

https://backpack.tf/item/12811415066

= 2.25 keys

Other Sales:

#1

https://backpack.tf/profiles/76561198238289346#!/compare/1710460800/1710633600

https://backpack.tf/profiles/76561199085116273#!/compare/1710547200/1710633600

https://backpack.tf/item/14180701059

Untraceable, negligible metal matches

#2

https://backpack.tf/profiles/76561199542173510#!/compare/1710374400/1715040000

https://backpack.tf/profiles/76561198841679173#!/compare/1710547200/1710633600

https://backpack.tf/item/14119399449

One of em unusualified, can’t tell whom.

#3

https://backpack.tf/profiles/76561198841679173#!/compare/1711238400/1711324800

https://backpack.tf/profiles/76561199581722058#!/compare/1711238400/1711324800

https://backpack.tf/item/14119399449

Untraceable

#4

https://backpack.tf/profiles/76561199581722058#!/compare/1711670400/1711756800

https://backpack.tf/profiles/76561198090926099#!/compare/1705968000/1711756800

https://backpack.tf/item/14119399449

Untraceable/Bulk

#5

https://backpack.tf/profiles/76561198090926099#!/compare/1711929600/1712275200

https://backpack.tf/profiles/76561199581722058#!/compare/1712102400/1712188800

https://backpack.tf/item/14119399449

Untraceable

#6

https://backpack.tf/profiles/76561198197345478#!/compare/1714694400/1714867200

https://backpack.tf/profiles/76561199110809353#!/compare/1714694400/1714780800

https://backpack.tf/item/13981022467

Untraceable

#7

https://backpack.tf/profiles/76561198370162415#!/compare/1715558400/1715644800

https://backpack.tf/profiles/76561198869049982#!/compare/1715126400/1715644800

https://backpack.tf/item/13616173667

Lent to a friend or something

#8

https://backpack.tf/profiles/76561199589578319#!/compare/1710460800/1710547200

https://backpack.tf/profiles/76561199251435467#!/compare/1710374400/1710547200

https://backpack.tf/item/12811415066

Bulk-ish for a couple skins, not an ideal sale to be using.

#9

https://backpack.tf/profiles/76561198433249004#!/compare/1710115200/1710201600

https://backpack.tf/profiles/76561198931286318#!/compare/1710028800/1710115200

https://backpack.tf/item/12811415066

Bulk for Nether Void Box Trot

Next in history looks like a tradeback, didn’t look into it further.

https://backpack.tf/item/14434825775 - mannco

https://backpack.tf/item/13913156919 - unusualified

https://backpack.tf/item/11596563404 - mannco

https://backpack.tf/item/11204631249 - scammers

https://backpack.tf/item/11017132276 - mannco

https://backpack.tf/item/11059605541 - mannco

Sellers:

https://imgur.com/a/cUgHDy1

https://backpack.tf/item/11548776727 - 3 keys

https://imgur.com/a/0K26gFp

https://backpack.tf/item/14119399449 - 2 keys + 51.55 ref

https://stntrading.eu/item/tf2/Unusual+Screaming+Tiger+Taunt%3A+Doctor%27s+Defibrillators

Sales at:

2.25

2.65

2.95

3

Taking 2.25-3 keys.