Sale 1:

https://backpack.tf/profiles/76561198125791160#!/compare/1581465600/1581552000

https://backpack.tf/profiles/76561198038986052#!/compare/1581465600/1581552000

Sold for 9 keys

Sale 2:

https://backpack.tf/profiles/76561198038986052#!/compare/1584576000/1584662400

https://backpack.tf/profiles/76561198219205067#!/compare/1584576000/1584662400

Sold for Smoking Baker + ~5 keys in sweets

Baker Mini:

https://backpack.tf/suggestion/5ea082ad2110fe27c709cdec

Suggestion for 10 keys

Total is 15 keys

https://bot.tf/stats/listings/Y79DGK2K

B/O of 14 keys, capping

Sale 3:

https://backpack.tf/profiles/76561198219205067#!/compare/1584662400/1584748800

https://backpack.tf/profiles/76561198385532048#!/compare/1584489600/1584662400

Sold for DBD Data Light

use there

https://bot.tf/stats/listings/4R0G39QK

B/O of 15 keys

Sale 4:

https://backpack.tf/profiles/76561198075921927#!/compare/1580774400/1581811200

https://backpack.tf/profiles/76561198341171690#!/compare/1581206400/1581379200

QS

sale 5:

https://backpack.tf/profiles/76561198341171690#!/compare/1581465600/1581552000

https://backpack.tf/profiles/76561198038986052#!/compare/1581465600/1581552000

Sold for keys, can only trace 3

Sale 6:

https://backpack.tf/profiles/76561198038986052#!/compare/1581984000/1582070400

https://backpack.tf/profiles/76561198053809624#!/compare/1581897600/1582070400

Sold for CPS Grenadier(11) + ~ 1.5 keys in sweets

Total is ~13 keys

https://bot.tf/stats/listings/MXQ9XW61

B/O of 15 keys

Sale 7:

https://backpack.tf/profiles/76561198053809624#!/compare/1582243200/1582329600

https://backpack.tf/profiles/76561198272832232#!/compare/1582156800/1582243200

Sold with ~1.5 keys in sweets for C9 Kabuto

use there

https://bot.tf/stats/listings/46NDJ5J9

B/O of 17.5 keys

Sale 8:

https://backpack.tf/profiles/76561198272832232#!/compare/1582156800/1582243200

https://backpack.tf/profiles/76561198055622215#!/compare/1582156800/1582243200

Sold with 2 keys for TW Trans

Trans Mini:

https://backpack.tf/suggestion/5eac7cf532e9602d2514dbe9

Suggestion for 12 keys

Total is 10 keys

sale 9:

https://backpack.tf/profiles/76561198055622215#!/compare/1585958400/1586044800

https://backpack.tf/profiles/76561198402368483#!/compare/1585872000/1586044800

Sold for Surge Bot Dogger

use there

https://bot.tf/stats/listings/M19ZWKJ1

B/O of 16 keys

sale 10:

https://backpack.tf/profiles/76561198402368483#!/compare/1586217600/1586476800

https://backpack.tf/profiles/76561198861472498#!/compare/1586476800/1586563200

Sold for Miami Napper

use there

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

B/O of 14 keys

Sale 11:

https://backpack.tf/profiles/76561198861472498#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561197964171516#!/compare/1586736000/1586822400

QS

sale 12:

https://backpack.tf/profiles/76561198121830870#!/compare/1581465600/1581552000

https://backpack.tf/profiles/76561198084528020#!/compare/1581552000/1581638400

Untrace

Sale 13:

https://backpack.tf/profiles/76561198084528020#!/compare/1581638400/1581724800

https://backpack.tf/profiles/76561198190116158#!/compare/1581292800/1581724800

Untrace

sale 14:

https://backpack.tf/profiles/76561198337734785#!/compare/1581465600/1581552000

https://backpack.tf/profiles/76561198049761080#!/compare/1581465600/1581552000'

Keys

Sale 15:

https://marketplace.tf/items/tf2/31048;5;u19

$16.2 / $1.75 = 9.26 keys

total sales @:

9, 9.5, 10, 13, 14 keys

buyers up to ~8 keys,

taking 9 - 14 keys.