Sale 1:

https://backpack.tf/profiles/76561198801187040#!/compare/1580083200/1584316800

https://backpack.tf/profiles/76561198821294885#!/compare/1584835200/1584921600

Untrace

sale 2:

https://backpack.tf/profiles/76561198821294885#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198300028784#!/compare/1579219200/1585094400

Sold with 10 keys for Strange Isotope Frost FT Panic Attack

use there

Sale 3:

https://backpack.tf/profiles/76561197995109375#!/compare/1580860800/1581379200

https://backpack.tf/profiles/76561198301456164#!/compare/1580860800/1580947200

Sold for Vortex Bowl + 5 keys

use there

sale 4:

https://backpack.tf/profiles/76561198301456164#!/compare/1581292800/1581379200

https://backpack.tf/profiles/76561198151117577#!/compare/1580860800/1581379200

Untrace

sale 5:

https://backpack.tf/profiles/76561198151117577#!/compare/1581638400/1581811200

https://backpack.tf/profiles/76561198157747807#!/compare/1581552000/1581724800

Sold for Steaming Charmer + negligible sweets

Not updatable:

https://pastebin.com/7jn1dw2E

sale 6:

https://backpack.tf/profiles/76561198157747807#!/compare/1584403200/1584489600

https://backpack.tf/profiles/76561198144472459#!/compare/1584403200/1584489600

Sold for Aces Kabuto + Miami Firewall(12.5) + 4 keys

Kabuto Mini:

https://backpack.tf/suggestion/5ea2095a51057878ff601409

suggestion for 11.5 keys

Total is 28 keys

Sale 7:

https://backpack.tf/profiles/76561198144472459#!/compare/1584489600/1584662400

https://backpack.tf/profiles/76561198120672630#!/compare/1584489600/1584576000

Sold for P Fetti Defiant + Steaming Grenadier

Defiant Mini:

https://backpack.tf/suggestion/5e9f87c1d5715462b26bcc13

suggestion for 10.5 keys

Grenadier mini:

https://backpack.tf/suggestion/5ea20a9ceffd5667c04123c0

suggestion for 11 keys

Total is 21.5 keys

Sale 8:

https://backpack.tf/profiles/76561198120672630#!/compare/1585267200/1585353600

https://backpack.tf/profiles/76561197964171516#!/compare/1585267200/1585353600

Sold for 20 keys

Total sales @:

20, 21.5, 28 keys

considering 28 resold for lower which resold for lower,

taking 20 - 22 keys.