Sale 1:

https://backpack.tf/item/1345673776

can't accurately trace anything

Sale 2:

https://backpack.tf/profiles/76561198123995666#!/compare/1560902400/1562198400

https://backpack.tf/profiles/76561197964546925#!/compare/1562112000/1562457600

SCM

Sale 3:

https://backpack.tf/profiles/76561197964546925#!/compare/1564185600/1564272000

https://backpack.tf/profiles/76561198144120574#!/compare/1564099200/1564963200

SCM

Sale 4:

https://backpack.tf/profiles/76561198144120574#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198117320629#!/compare/1566259200/1566345600

Sold with 1 key for Vivid Hoodie(24)

total is 23 keys

Sale 5:

https://backpack.tf/profiles/76561198117320629#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561197997331749#!/compare/1566604800/1566691200

Sold with 10 keys for Miami Drill

use there

Sale 6:

https://backpack.tf/profiles/76561198213234076#!/compare/1563667200/1563753600

https://backpack.tf/profiles/76561198114402400#!/compare/1562284800/1562371200

Sold with ~7 keys in sweets for OF bomber

Bomber Mini:

https://backpack.tf/suggestion/5d7dc83bd381727b180d1270

Suggestion for 21.5 keys

Total is 14.5 keys

Sale 7:

https://backpack.tf/profiles/76561198342161127#!/compare/1567209600/1567296000

https://backpack.tf/profiles/76561198432623475#!/compare/1567123200/1567296000

Sold for CPS Cannonball

use there

Sale 8:

https://backpack.tf/profiles/76561198821515560#!/compare/1568246400/1568332800

https://backpack.tf/profiles/76561198271915998#!/compare/1568160000/1568246400

Sold for TW Cannonball

Cannonball Mini:

https://backpack.tf/suggestion/5d7f340f678072604c0cc785

Suggestion for 16.5 keys

Sale 9:

https://backpack.tf/profiles/76561198271915998#!/compare/1568160000/1568246400

https://backpack.tf/profiles/76561198287282539#!/compare/1568160000/1568246400

Untrace

Sale 10:

https://backpack.tf/profiles/76561198287282539#!/compare/1568160000/1568246400

https://backpack.tf/profiles/76561198394457682#!/compare/1568160000/1568246400

Sold with 12 keys for ~26 keys in aussies

total is 14 keys

Sale 11:

https://marketplace.tf/items/tf2/671;5;u35

$44.99 / $1.81 = 24.86 keys

https://backpack.tf/item/1345673776

Total sales @:

14, 14.5, 16.5, 23, 24.86 keys

buyers up to ~14 keys,

seller at 17 keys, recently dropped from 18 keys....

gonna take 15 - 23 keys