Sale 1:

https://backpack.tf/profiles/76561198139522998#!/compare/1564012800/1567296000

https://backpack.tf/profiles/76561197979916407#!/compare/1553385600/1567555200

Sold for 14 keys, no match, but hard to disprove.

Sale 2:

https://backpack.tf/profiles/76561198211034693#!/compare/1569110400/1569542400

https://backpack.tf/profiles/76561198104793633#!/compare/1569456000/1569542400

Sold for Steaming Coldsnap(20)

https://bot.tf/stats/listings/Y5RN8NNE

B/O of 16 keys, capping

Sale 3:

https://backpack.tf/profiles/76561198104793633#!/compare/1569456000/1569542400

https://backpack.tf/profiles/76561198036385359#!/compare/1569456000/1569542400

Untrace, maybe keys?

Sale 4:

https://backpack.tf/profiles/76561198142210599#!/compare/1562716800/1562889600

https://backpack.tf/profiles/76561198151732820#!/compare/1562803200/1562889600

Untrace

Sale 5:

https://backpack.tf/profiles/76561198151732820#!/compare/1562803200/1562889600

https://backpack.tf/profiles/76561198347317315#!/compare/1562803200/1563408000

Sold for D@D Pride + sweets

buyers on Pride are 20, seems high.

Sale 6:

https://backpack.tf/profiles/76561198347317315#!/compare/1564704000/1565136000

https://backpack.tf/profiles/76561198977564543#!/compare/1565049600/1565136000

High

Sale 7:

https://backpack.tf/profiles/76561198977564543#!/compare/1565136000/1565222400

https://backpack.tf/profiles/76561198830746068#!/compare/1565049600/1565136000

Untrace

Sale 8:

https://backpack.tf/profiles/76561198336455294#!/compare/1564444800/1564531200

https://backpack.tf/profiles/76561198183828955#!/compare/1564272000/1564531200

Untrace

Sale 9:

https://backpack.tf/profiles/76561198183828955#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198847955284#!/compare/1567123200/1567209600

Sold for Miami Kiss King

use there

Sale 10:

https://backpack.tf/profiles/76561198847955284#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198224648164#!/compare/1567123200/1567209600

Sold for KaW Condor+ 2 keys in sweets

use there

https://bot.tf/stats/listings/4RGJN7QD

B/O of 15 keys

sale 11:

https://backpack.tf/profiles/76561198224648164#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198074895734#!/compare/1567036800/1567209600

Sold with ~4 keys in sweets for Searing Honcho

use there, few sales

Sale 12:

https://backpack.tf/profiles/76561198074895734#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198298945784#!/compare/1553126400/1568073600

Sold for 15 keys (ID match)

Sale 13:

https://backpack.tf/profiles/76561198298945784#!/compare/1569024000/1569110400

https://backpack.tf/profiles/76561198245511850#!/compare/1569024000/1569110400

Some kinda bulk

Sale 14:

https://backpack.tf/profiles/76561198245511850#!/compare/1569283200/1569456000

https://backpack.tf/profiles/76561198069326122#!/compare/1569110400/1569283200

Bulk

Sale 15:

https://backpack.tf/profiles/76561198069326122#!/compare/1569369600/1569542400

https://backpack.tf/profiles/76561198104793633#!/compare/1569456000/1569542400

Sold for 16 keys

sale 16:

https://backpack.tf/item/1668327182

nothing traceable in here

Sale 17:

https://marketplace.tf/items/tf2/137;5;u29

$44.99 / $1.80 = 24.99 keys

Total sales @:

14, 15, 16, 16, 24.99 keys

buyers up to 12 keys,

sellers down to 19 keys,

calling 24.99 high,

taking 14 - 16 keys.