item1:

https://backpack.tf/item/13194947118

sale1:

https://backpack.tf/profiles/76561198006498403#!/compare/1648512000/1694649600

https://backpack.tf/profiles/76561199026390261#!/compare/1689379200/1689724800

?

item2:

https://backpack.tf/item/13178775598

sale2:

https://backpack.tf/profiles/76561199138161620#!/compare/1688169600/1692403200

https://backpack.tf/profiles/76561198040073503#!/compare/1692144000/1692316800

?

sale3:

https://backpack.tf/profiles/76561198123435100#!/compare/1689724800/1690502400

https://backpack.tf/profiles/76561198244409420#!/compare/1690070400/1690156800

52 keys (low)

item3:

https://backpack.tf/item/13024903714

sale4:

https://backpack.tf/profiles/76561198949471866#!/compare/1686182400/1694736000

https://backpack.tf/profiles/76561199137751080#!/compare/1692921600/1695340800

?

item4:

https://backpack.tf/item/13164030662

sale5:

https://backpack.tf/profiles/76561198132741569#!/compare/1694995200/1695168000

https://backpack.tf/profiles/76561198102399040#!/compare/1610236800/1695168000

bulk to Scorching Flames Universal Translator

sale6:

https://backpack.tf/profiles/76561198371696165#!/compare/1690243200/1693353600

?

sale7:

https://backpack.tf/profiles/76561199335745616#!/compare/1687996800/1690243200

?

item5:

https://backpack.tf/item/12703378212

sale8:

https://backpack.tf/profiles/76561198086011812#!/compare/1691539200/1692057600

?

item6:

https://backpack.tf/item/12044977299

sale9:

https://backpack.tf/profiles/76561198164651434#!/compare/1691625600/1692057600

?

item7:

https://backpack.tf/item/12089250277

salr10:

https://backpack.tf/profiles/76561198244409420#!/compare/1688774400/1689033600

https://backpack.tf/profiles/76561198850178158#!/compare/1688947200/1689033600

54 keys (low)

sale11:

https://backpack.tf/profiles/76561198244409420#!/compare/1689292800/1690070400

60 keys

item8:

https://backpack.tf/item/11824153612

sale12:

https://backpack.tf/profiles/76561198164651434#!/compare/1689897600/1690156800

41 keys (low)

item9:

https://backpack.tf/item/10881013152

sale13:

https://backpack.tf/profiles/76561198031126990#!/compare/1693353600/1693612800

https://backpack.tf/profiles/76561198332483912#!/compare/1692748800/1693353600

bulk

item10:

https://backpack.tf/item/10764496964

sale14:

https://backpack.tf/profiles/76561198305246292#!/compare/1692057600/1692316800

55 keys

item11:

https://backpack.tf/item/10748648019

sale15:

https://backpack.tf/profiles/76561198075468799#!/compare/1692144000/1692144000

?

sale16:

https://backpack.tf/profiles/76561199036687361#!/compare/1693785600/1694476800

https://backpack.tf/profiles/76561198210598009#!/compare/1687996800/1695340800

45 keys

item12:

https://backpack.tf/item/10756969562

gamble

sale17:

https://backpack.tf/profiles/76561198244409420#!/compare/1691107200/1691539200

https://backpack.tf/profiles/76561198013925436#!/compare/1683072000/1691539200

17 keys + double spelled item

?

item13:

https://backpack.tf/item/10770641723

sale18:

https://backpack.tf/profiles/76561198117597416#!/compare/1688860800/1689292800

https://backpack.tf/profiles/76561198059747284#!/compare/1683158400/1693526400

?

sale19:

https://backpack.tf/profiles/76561198059747284#!/compare/1693526400/1693872000

https://backpack.tf/profiles/76561198253747736#!/compare/1693353600/1693958400

?

item14:

https://backpack.tf/item/10773031867

sale20:

https://backpack.tf/profiles/76561198311257338#!/compare/1692144000/1695254400

https://backpack.tf/profiles/76561198215429899#!/compare/1646611200/1693872000

?

item15:

https://backpack.tf/item/10777390873

sale21:

https://backpack.tf/profiles/76561198052139774#!/compare/1691107200/1691539200

https://backpack.tf/profiles/76561198154571115#!/compare/1649894400/1691539200

?

sale22:

https://backpack.tf/profiles/76561198154571115#!/compare/1692835200/1693440000

https://backpack.tf/profiles/76561198326838602#!/compare/1692662400/1693353600

?

sale23:

https://backpack.tf/profiles/76561198326838602#!/compare/1692662400/1693353600

https://backpack.tf/profiles/76561198058954965#!/compare/1693180800/1693353600

quick

sale24:

https://backpack.tf/profiles/76561198058954965#!/compare/1693353600/1693440000

https://backpack.tf/profiles/76561198850933809#!/compare/1692748800/1693440000

63 keys

item16:

https://backpack.tf/item/10784603518

sale25:

https://backpack.tf/profiles/76561198155229347#!/compare/1695168000/1695513600

https://backpack.tf/profiles/76561199242286639#!/compare/1695081600/1695168000

It seems to be 90keys items overpay, from the forum

https://marketplace.tf/items/tf2/31209;5;u201

2023-07-01

122.22/1.978=61.7896

62 keys

2023-07-30

124.99/1.95=64.097435

64 keys

2023-08-17

129.99/2.02=64.35

64 keys

2023-09-08

139.99/2.03=68.960591

69 keys

2023-09-12

139.99/2.03=68.96059

69 keys

2023-09-13

139.99/2.04=68.62254

69 keys

2023-09-19

149.99/2.05=73.165853

73 keys

41, 45, 52, 54, 55, 60, 62, 63, 64, 69, 69, 69, 73, 90 overpay

https://gladiator.tf/time-machine?item=Pumpkin+Moon+Spooky+Head-Bouncers&at=2023-09-26T12%3A34%3A00.000Z

buyer 59 keys

seller 74 keys

60-73