oh boy, weird one this is.

Sale 1:

https://backpack.tf/profiles/76561198080179568#!/compare/1561161600/1561248000

https://backpack.tf/profiles/76561198816817995#!/compare/1550102400/1562284800

Sold for 18 keys

Sale 2:

https://backpack.tf/profiles/76561198379709003#!/compare/1564963200/1565654400

https://backpack.tf/profiles/76561198158554103#!/compare/1564963200/1565395200

Sold for ~12 keys

Sale 3:

https://backpack.tf/profiles/76561198134058948#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198803469542#!/compare/1565395200/1565913600

Sold for 17 keys

Sale 4:

https://backpack.tf/profiles/76561198118173550#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198811642840#!/compare/1566172800/1566259200

Sold for keys...

Sale 5:

https://backpack.tf/profiles/76561198831450398#!/compare/1565395200/1566432000

https://backpack.tf/profiles/76561198077625769#!/compare/1566345600/1566432000

Untrace

Sale 6:

https://backpack.tf/profiles/76561198077625769#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198147401409#!/compare/1566864000/1566950400

Sold for 9 keys

Sale 7:

https://backpack.tf/profiles/76561198172363295#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198021055079#!/compare/1565827200/1565913600

Sold for 12 keys

Sale 8:

https://backpack.tf/profiles/76561198272353085#!/compare/1559088000/1559433600

https://backpack.tf/profiles/76561198074424269#!/compare/1558742400/1559433600

Sold for 14 keys

Sale 9:

https://backpack.tf/profiles/76561198074424269#!/compare/1559433600/1559520000

https://backpack.tf/profiles/76561198830630023#!/compare/1559520000/1559606400

Sold for Bubbling Ushanka + 3 keys

Ushanka Mini:

https://backpack.tf/suggestion/5d671dd7d3817215620121e7

Suggestion for 11 keys

Total is 14 keys

sale 10:

https://backpack.tf/profiles/76561198830630023#!/compare/1559865600/1559952000

https://backpack.tf/profiles/76561198798943946#!/compare/1559865600/1559952000

Sold with 10 keys for Sulph Tit Tyro

use there

Sale 11:

https://backpack.tf/profiles/76561198798943946#!/compare/1559865600/1559952000

https://backpack.tf/profiles/76561198050726553#!/compare/1559865600/1559952000

KEys...

Sale 12:

https://backpack.tf/profiles/76561198050726553#!/compare/1559865600/1559952000

https://backpack.tf/profiles/76561198388860294#!/compare/1559779200/1559952000

Untrace

Sale 13:

https://backpack.tf/profiles/76561198879041986#!/compare/1559692800/1559952000

https://backpack.tf/profiles/76561198388860294#!/compare/1559779200/1559952000

Sold for 13 keys

Sale 14:

https://backpack.tf/profiles/76561198388860294#!/compare/1559779200/1559952000

https://backpack.tf/profiles/76561198195922917#!/compare/1559865600/1559952000

Sold for 14 keys

Sale 15:

https://backpack.tf/profiles/76561198195922917#!/compare/1559952000/1560038400

https://backpack.tf/profiles/76561198445049721#!/compare/1559952000/1560038400

Sold with ~0.49 keys in sweets for Smoking Crasher

use there

Sale 16:

https://backpack.tf/profiles/76561198445049721#!/compare/1559952000/1560038400

https://backpack.tf/profiles/76561198238147176#!/compare/1559952000/1560038400

Sold for Aces Conisseur(9.75) + ~6 keys in sweets

Total is 15.75 keys

Sale 17:

https://marketplace.tf/items/tf2/30014;5;u61

$30 / $1.82 = 16.48 keys

https://backpack.tf/item/2319536566

No B/O

Total sales @:

9, 12, 12, 13, 14, 14, 14, 16, 16, 17, 18 keys

New sellers at 11,

https://backpack.tf/item/7956498837

buyers up to ~7 keys,

seeing as how 9 is the outlier, yet a seller at 11,

gonna take 12 - 17, taking out high sale(nearing outdated) to counter low sale,

gonna watch seller and situation.