Histories are spotty as heck

https://backpack.tf/item/712225758

Has a sale, but not on 6/23 on mp.tf

Sale 1:

https://marketplace.tf/items/tf2/227;5;u30

Sold for 39.99 USD on 6/29

https://marketplace.tf/items/tf2/5021;6

Keys that day at 1.92 USD

39.99/1.92 = 20.82 -> 21 keys

https://backpack.tf/item/1430911679

Sale 2:

https://backpack.tf/profiles/76561198123450232#!/compare/1610582400/1620259200

https://backpack.tf/profiles/76561198131532406#!/compare/1617148800/1624233600

Untrace

https://backpack.tf/item/490208071

Sale 3:

https://backpack.tf/profiles/76561198175886925#!/compare/1621296000/1627516800

https://backpack.tf/profiles/76561198116010904#!/compare/1575158400/1627430400

Untrace

Sale 4:

https://backpack.tf/profiles/76561198116010904#!/compare/1627430400/1627516800

https://i.imgur.com/S9Ds1He.png

Bulk for BS Galvanized gibus

https://backpack.tf/item/449520545

Sale 5:

https://backpack.tf/profiles/76561198816469797#!/compare/1621641600/1625011200

https://backpack.tf/profiles/76561198057897812#!/compare/1621555200/1621641600

Untrace

Sale 6:

https://backpack.tf/profiles/76561198057897812#!/compare/1626048000/1626134400

https://backpack.tf/profiles/76561199107865875#!/compare/1626048000/1626134400

Seems like it was sold for 19 keys 14 ref

Sale 7:

https://backpack.tf/profiles/76561199107865875#!/compare/1626566400/1626652800

https://backpack.tf/profiles/76561198047615621#!/compare/1626566400/1626652800

Seems like the softcap was sold for 20 keys

Sale 8:

https://backpack.tf/profiles/76561198047615621#!/compare/1626652800/1626739200

https://backpack.tf/profiles/76561198042445832#!/compare/1624579200/1626652800

Untrace

Sale 9:

https://backpack.tf/profiles/76561198111278197#!/compare/1626652800/1626739200

Untrace(w/ One eyed eye's)

Sale 10:

https://backpack.tf/profiles/76561198111278197#!/compare/1626652800/1626739200

https://backpack.tf/profiles/76561198989179031#!/compare/1626652800/1626739200

The hat doesn't show up, but the keys do. Seems like 20 here as well

Sale 11:

https://backpack.tf/profiles/76561198799027123#!/compare/1626393600/1626739200

https://backpack.tf/profiles/76561198989179031#!/compare/1626739200/1626912000

20 keys 15 refined

Sales at (w/rounding) 21, 19, 20, 20, 20

Excluding 19 keys, below buy orders.

Taking 20-21 keys. Although 20 is slightly below buy orders, it is a common selling point, sold 3 times at 20 keys.