Sale 1:

Sold for 22 keys

Seller: https://backpack.tf/profiles/76561198011321852#!/compare/1580515200/1580601600

Buyer: https://backpack.tf/profiles/76561198170140570#!/compare/1580428800/1580601600

https://backpack.tf/item/7770527842

22 keys

Sale 2:

Sold for 21 keys

Seller: https://backpack.tf/profiles/76561198435519761#!/compare/1585440000/1585526400

Buyer: https://backpack.tf/profiles/76561198058883209#!/compare/1585180800/1585526400

https://backpack.tf/item/7957117669

21 keys

Sale 3:

Sold for 17 keys + ~1 key in metal/taunts

Seller: https://backpack.tf/profiles/76561198100722955#!/compare/1585267200/1587081600

Buyer: https://backpack.tf/profiles/76561198435519761#!/compare/1585353600/1585440000

https://backpack.tf/item/7957117669

18 keys

Marketplace Sales:

https://marketplace.tf/items/tf2/30119;5;u57

$39.95, Feb 8th

$25.31, Feb 25th

$39.95, Feb 27th

$39.95, March 25th

https://backpack.tf/item/7957117669 - Feb 8th

https://manic.tf/keyprice/?at=2020-02-08&price=39.95 - $39.95 / $1.77 = 22.57 keys

https://bot.tf/stats/listings/4PP899D5 - No B/O

Couldn’t find any other histories.

https://manic.tf/keyprice/?at=2020-02-25&price=25.31 - $25.31 / $1.77 = 14.30 keys

No point checking snapshots, this is below buyers.

http://manic.tf/keyprice?at=2020-02-27&price=39.95 - $39.95 / $1.76 = 22.70 keys

https://bot.tf/stats/listings/4PPNP15E - seller at 20, no marketplace link for their profile though, so it wasn’t them.

http://manic.tf/keyprice?at=2020-03-25&price=39.95 - $39.95 / $1.69 = 23.64 keys

https://bot.tf/stats/listings/466NVGRL - Seller at 20, was a different sale that is already listed here so it wasn’t them.

After rounding, we have:

23 keys (2x)

24 keys

Other Sales:

https://backpack.tf/item/7957619597 (#1-4)

#1

Untraceable

https://backpack.tf/profiles/76561198311498888#!/compare/1579824000/1579996800

https://backpack.tf/profiles/76561198796671544#!/compare/1579392000/1580169600

#2

Untraceable

https://backpack.tf/profiles/76561198796671544#!/compare/1580169600/1580601600

https://backpack.tf/profiles/76561198363395191#!/compare/1580515200/1580601600

#3

Untraceable

https://backpack.tf/profiles/76561198936748556#!/compare/1584403200/1584489600

https://backpack.tf/profiles/76561198311498888#!/compare/1584403200/1584489600

#4

Untraceable

https://backpack.tf/profiles/76561198311498888#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198061694931#!/compare/1585699200/1585785600

Sellers/Buyers:

https://i.imgur.com/pjKsLwf.png

https://backpack.tf/item/7957117669 - 23 keys

https://backpack.tf/item/1992849986 - 30 keys

https://backpack.tf/item/4902506663 - 35 keys

Buyers at ~17 keys

Sales at:

14

18

21

22

23 (2x)

24

14 is lower than buyers, excluding.

Taking 18-24.