History 1: https://backpack.tf/item/9953217874

Sold to a bot for 9 keys:

https://backpack.tf/profiles/76561198312521696#!/compare/1616371200/1616457600

https://backpack.tf/profiles/76561198453530349#!/compare/1616371200/1616457600

History 2: https://backpack.tf/item/8140908950

Bulk:

https://backpack.tf/profiles/76561198069707880#!/compare/1610755200/1610841600

https://backpack.tf/profiles/76561198000091310#!/compare/1610582400/1610928000

Sold for Vivid Plasma Elf Esteem, Strange Festivized Specialized Killstreak Stickybomb Launcher, Strange Festivized Iron Bomber and The Bruiser's Bandanna:

https://backpack.tf/profiles/76561198000091310#!/compare/1611273600/1611360000

https://backpack.tf/profiles/76561198355494807#!/compare/1611273600/1611360000

Dumped to Tradeit.GG the same day:

https://backpack.tf/profiles/76561198355494807#!/compare/1611360000/1611619200

https://backpack.tf/profiles/76561198297644819#!/compare/1611532800/1611619200

Untraceable:

https://backpack.tf/profiles/76561198297644819#!/compare/1611964800/1612224000

https://backpack.tf/profiles/76561198358675252#!/compare/1611964800/1612051200

Listed on Mannco.Store at $26 (~14 keys) https://mannco.store/item/14794

History 3: https://backpack.tf/item/8009709536

Untraceable:

https://backpack.tf/profiles/76561198311498888#!/compare/1610928000/1611014400

https://backpack.tf/profiles/76561198061353482#!/compare/1610928000/1611014400

Untraceable:

https://backpack.tf/profiles/76561198061353482#!/compare/1610928000/1611014400

https://backpack.tf/profiles/76561198276817199#!/compare/1610928000/1611014400

Untraceable:

https://backpack.tf/profiles/76561198276817199#!/compare/1611014400/1611100800

https://backpack.tf/profiles/76561198869390792#!/compare/1610928000/1611014400

tradebacks

Bulk:

https://backpack.tf/profiles/76561198869390792#!/compare/1611360000/1611446400

https://backpack.tf/profiles/76561198979222583#!/compare/1611360000/1611446400

tradebacks

Dumped to Quicksell.Store:

https://backpack.tf/profiles/76561198979222583#!/compare/1611446400/1611532800

https://backpack.tf/profiles/76561198850121720#!/compare/1611360000/1611446400

11 keys match in buyer's compare:

https://backpack.tf/profiles/76561198850121720#!/compare/1611532800/1611619200

https://backpack.tf/profiles/76561198091102007#!/compare/1611619200/1612310400

Dumped to a bot:

https://backpack.tf/profiles/76561198091102007#!/compare/1612656000/1613088000

https://backpack.tf/profiles/76561199004803157#!/compare/1613001600/1613088000

Looks like Erik bought for 12 keys then deposited to marketplace.tf:

(12 keys come from Erik) https://backpack.tf/profiles/76561199004803157#!/compare/1614384000/1614470400

Buyout was 12 too https://gladiator.tf/listings/603920227d30b310a0e84725

Marketplace.tf listing at $31.99 (~15 keys): https://marketplace.tf/items/tf2/31024;5;u62

History 4: https://backpack.tf/item/7409689360

Sold to a quickbuyer:

https://backpack.tf/profiles/76561198878775757#!/compare/1610755200/1611273600

https://backpack.tf/profiles/76561199098694108#!/compare/1610755200/1610841600

Bulk:

https://backpack.tf/profiles/76561199098694108#!/compare/1610928000/1611014400

https://backpack.tf/profiles/76561198886850124#!/compare/1610928000/1611014400

Untraceable:

https://backpack.tf/profiles/76561198886850124#!/compare/1611014400/1611100800

https://backpack.tf/profiles/76561198987298930#!/compare/1610496000/1611014400

Untraceable:

https://backpack.tf/profiles/76561198987298930#!/compare/1611187200/1612396800

https://backpack.tf/profiles/76561198157964204#!/compare/1611360000/1611446400

Sold to a bot:

https://backpack.tf/profiles/76561198157964204#!/compare/1612310400/1612396800

https://backpack.tf/profiles/76561198337734785#!/compare/1612310400/1612396800

Sold for 12 keys:

https://backpack.tf/profiles/76561198337734785#!/compare/1612569600/1612656000

https://backpack.tf/profiles/76561198328307558#!/compare/1612224000/1612656000

Marketplace.tf sales: https://marketplace.tf/items/tf2/31024;5;u62

January 20: $29.99/2.1=14.28 ~14 keys

January 22: $29.99/2.1=14.28 ~14 keys

February 28: $29.99/2.15=13.95 ~14 keys

Unsolds:

Mannco.Store at ~14 keys

Marketplace.tf at 15 keys

14 keys for just over a week https://gladiator.tf/listings/606a3ddd18fac5aad8b14602

Sales at 9, 11, 12, 12, 14, 14, 14

9 was a buy order dump so excluding

11 sold in like two days and buyers are up to 11.75 keys now, might be better to exclude too https://gladiator.tf/listings/6076cf332c995d81efc538af

Let's go with 12-14 for now, they are also the most common trading points