https://marketplace.tf/items/tf2/30548;5;u59

Jan 4 - $29.99 / $2.11 = 14.21 keys

Jan 20 - $28.99 / $2.09 = 13.87 keys

https://backpack.tf/item/7957322870

https://backpack.tf/profiles/76561198337734785#!/compare/1605744000/1605830400

https://backpack.tf/profiles/76561198882563369#!/compare/1605657600/1605830400

it's everything leaving the 2nd compare, which is 15 refined and 12 keys

https://backpack.tf/profiles/76561198139370347#!/compare/1609113600/1609200000

https://backpack.tf/profiles/76561198850178158#!/compare/1609113600/1609200000

Untraceable

https://backpack.tf/profiles/76561198850178158#!/compare/1610928000/1611014400

https://backpack.tf/profiles/76561198313420716#!/compare/1610928000/1611014400

Untraceable

https://backpack.tf/profiles/76561198313420716#!/compare/1611100800/1611273600

https://backpack.tf/profiles/76561198271049443#!/compare/1611187200/1611273600

Untraceable

https://backpack.tf/profiles/76561198271049443#!/compare/1611187200/1611273600

https://backpack.tf/profiles/76561198869390792#!/compare/1611100800/1611187200

Untraceable

https://backpack.tf/profiles/76561198869390792#!/compare/1611100800/1611187200

https://backpack.tf/profiles/76561199095099178#!/compare/1611100800/1611187200

Untraceable

https://backpack.tf/profiles/76561199095099178#!/compare/1611100800/1611187200

https://backpack.tf/profiles/76561198139370347#!/compare/1611100800/1611187200

Only 4 keys and some change matches

https://backpack.tf/profiles/76561198176125115#!/compare/1607904000/1608076800

https://backpack.tf/profiles/76561198047237459#!/compare/1607904000/1607990400

Steaming Virtual Reality Headset (8.5 keys) + 3 keys

https://backpack.tf/suggestion/600da41a7aa2d168286fd0a8

Rounding to 12 keys

https://backpack.tf/profiles/76561198047237459#!/compare/1607990400/1608076800

https://backpack.tf/profiles/76561198267189538#!/compare/1607990400/1608076800

Bulk

Sales

12

12

14

14

https://backpack.tf/item/4613183575

https://mannco.store/item/21383

seller at $40 which is like 22 keys

https://gyazo.com/8ff708a2276837515e36bba04dfa5096

Two young sellers at 12 and 13 keys