Sale 1:

https://backpack.tf/profiles/76561198020399100#!/compare/1562716800/1566777600

https://backpack.tf/profiles/76561197970669109#!/compare/1568160000/1568246400

Untrace

Sale 2:

https://backpack.tf/profiles/76561198121830870#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198348624308#!/compare/1566000000/1566518400

Sold for 9 keys

Sale 3:

https://backpack.tf/profiles/76561198348624308#!/compare/1566000000/1566518400

https://backpack.tf/profiles/76561198204215081#!/compare/1566432000/1566518400

Sold for bubbling Glasgow

use there

Sale 4:

https://backpack.tf/profiles/76561198204215081#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198072502313#!/compare/1566950400/1567036800

Sold for Miami Billy

Billy Mini:

https://backpack.tf/suggestion/5d9ac52567807262db0cb642

Suggestion for 13 keys

https://bot.tf/stats/listings/Y9GLPJOD

B/O of 14 keys

Sale 5:

https://backpack.tf/profiles/76561198072502313#!/compare/1567036800/1567123200

https://backpack.tf/profiles/76561198066241431#!/compare/1567036800/1567123200

Sold for 10 keys

Sale 6:

https://backpack.tf/profiles/76561198066241431#!/compare/1567123200/1567209600

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

Sold for 10 keys(8 used to buy Snowcapped)

sale 7:

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

https://backpack.tf/profiles/76561198333986358#!/compare/1567123200/1567209600

Bulk

Sale 8:

https://backpack.tf/profiles/76561198071506287#!/compare/1566604800/1567296000

https://backpack.tf/profiles/76561198323565601#!/compare/1566518400/1566604800

Sold for 9 keys

Sale 9:

https://backpack.tf/profiles/76561198415190217#!/compare/1559865600/1565654400

https://backpack.tf/profiles/76561198863687366#!/compare/1566604800/1567555200

Untrace

Sale 10:

https://backpack.tf/profiles/76561198863687366#!/compare/1567555200/1568246400

https://backpack.tf/profiles/76561198144391144#!/compare/1567468800/1567641600

Sold for DP Snowcapped(10.5) + ~1.49 keys in sweets (1 key used to buy shred alert)

Total is ~12 keys

https://bot.tf/stats/listings/MVR70L5V

B/O of 11 keys, capping

Sale 11:

https://marketplace.tf/items/tf2/575;5;u60

$30 / $1.80 = 16.67 keys

Total sales @:

9, 9, 10, 10, 11, 13, 16.67 keys

unsold at 13 for 6 months,

buyers up to ~7.5 keys,

taking 9 - 13 keys.