Sale 1:

https://backpack.tf/profiles/76561198289696924#!/compare/1585180800/1586217600

https://backpack.tf/profiles/76561198850274253#!/compare/1585180800/1586044800

QS

sale 2:

https://backpack.tf/profiles/76561198850274253#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198863446809#!/compare/1584576000/1586217600

Sold for 27 keys

sale 3:

https://backpack.tf/profiles/76561198272365931#!/compare/1590796800/1591401600

https://backpack.tf/profiles/76561198077730629#!/compare/1590796800/1590969600

untrace

Sale 4:

https://backpack.tf/profiles/76561198077730629#!/compare/1591056000/1591142400

https://backpack.tf/profiles/76561199058129535#!/compare/1591142400/1591574400

https://backpack.tf/profiles/76561198077730629#!/compare/1591142400/1591488000

Transfer

sale 5:

https://backpack.tf/profiles/76561198077730629#!/compare/1591574400/1591660800

https://backpack.tf/profiles/76561198413058872#!/compare/1591574400/1591660800

Sold with FoD BaL for C9 Gilded + CTFL Brim(15)

Gilded Mini:

https://backpack.tf/suggestion/5eebe88c5409db78b96e257e

Suggestion for 18.5 keys

https://bot.tf/stats/listings/4J93ZLO3

B/O of 30 keys, easily caps, BaL can't be more than 4 keys.

Sale 6:

https://backpack.tf/profiles/76561198413058872#!/compare/1591660800/1591747200

https://backpack.tf/profiles/76561197993725164#!/compare/1591660800/1591747200

Sold with ~ 1 key in sweets for GE Panama

use there

sale 7:

https://backpack.tf/profiles/76561197993725164#!/compare/1591660800/1591747200

https://backpack.tf/profiles/76561198143097099#!/compare/1590278400/1591747200

Sold for Insomnia Pillar(29) + 6 keys

Total is 35 keys

https://bot.tf/stats/listings/Y797D819

B/O of 29 keys, capping

Sale 8:

https://backpack.tf/profiles/76561198143097099#!/compare/1592006400/1592092800

https://backpack.tf/profiles/76561198195823355#!/compare/1592006400/1592092800

Untrace

sale 9:

https://backpack.tf/profiles/76561198195823355#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198360479576#!/compare/1592179200/1592265600

Sold for CPS Eye(17) + G Fetti Nuke + 2 keys

https://bot.tf/stats/listings/Y9Q08036

B/O of 30 keys, caps by buyers on Nuke

Sale 10:

https://backpack.tf/profiles/76561198053532761#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198885102216#!/compare/1585008000/1585094400

Untrace

sale 11:

https://backpack.tf/profiles/76561198885102216#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198250999642#!/compare/1585699200/1585785600

Untrace

sale 12:

https://backpack.tf/profiles/76561198250999642#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198305494036#!/compare/1585699200/1585785600

QS

Sale 13:

https://backpack.tf/profiles/76561198305494036#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198273866103#!/compare/1585785600/1585872000

Sold for ~25 keys

sale 14:

https://backpack.tf/profiles/76561198273866103#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198267189538#!/compare/1586304000/1586390400

QS

Sale 15:

https://backpack.tf/profiles/76561198267189538#!/compare/1587254400/1587340800

https://backpack.tf/profiles/76561198850274253#!/compare/1587168000/1587254400

QS

Sale 16:

https://backpack.tf/profiles/76561198850274253#!/compare/1589241600/1589328000

https://backpack.tf/profiles/76561198347187815#!/compare/1589241600/1589414400

Untrace

sale 17:

https://backpack.tf/profiles/76561198431421139#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198002757046#!/compare/1586390400/1586476800

QS

sale 18:

https://backpack.tf/profiles/76561198002757046#!/compare/1587859200/1587945600

https://backpack.tf/profiles/76561198158482500#!/compare/1587945600/1588032000

Sold for ~25 keys

Sale 19:

https://backpack.tf/profiles/76561198826197923#!/compare/1591056000/1591228800

https://backpack.tf/profiles/76561198267189538#!/compare/1590969600/1591056000

QS

sale 20:

https://backpack.tf/profiles/76561198267189538#!/compare/1591574400/1591660800

https://backpack.tf/profiles/76561197993725164#!/compare/1591574400/1591660800

Sold for ~28 keys in sweets

sale 21:

https://backpack.tf/profiles/76561197993725164#!/compare/1591660800/1591747200

https://backpack.tf/profiles/76561198066686957#!/compare/1591574400/1591660800

Sold with Showstopper Skater + 4 keys for G Fetti Hong Kong

use there

https://bot.tf/stats/listings/Y797D819

B/O of 29 keys

Sale 22:

https://backpack.tf/profiles/76561198066686957#!/compare/1591660800/1591747200

https://backpack.tf/profiles/76561198396200903#!/compare/1591660800/1591747200

Sold for ~26 keys in sweets

Sale 23:

https://backpack.tf/profiles/76561198396200903#!/compare/1591833600/1591920000

https://backpack.tf/profiles/76561198360479576#!/compare/1591833600/1591920000

Sold for TW KE(23.5) + 1 key

Total is 24.5 keys

https://bot.tf/stats/listings/Y5ZL0QN5

B/O of 30 keys

sale 24:

https://backpack.tf/profiles/76561198360479576#!/compare/1591920000/1592006400

https://backpack.tf/profiles/76561198068806552#!/compare/1591920000/1592092800

untrace

sale 25:

https://backpack.tf/profiles/76561198068806552#!/compare/1592092800/1592352000

https://backpack.tf/profiles/76561198331508691#!/compare/1592265600/1592352000

Bulk

sale 26:

https://backpack.tf/profiles/76561198850274253#!/compare/1586044800/1586131200

https://backpack.tf/profiles/76561198106206016#!/compare/1586044800/1586131200

Keys

sale 27:

https://backpack.tf/profiles/76561198106206016#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561198164806677#!/compare/1586131200/1586304000

Sold with ~13 keys for PE Tree

use there

https://bot.tf/stats/listings/Y79J8WJW

B/O of 31 keys

sale 28:

https://backpack.tf/profiles/76561198164806677#!/compare/1586131200/1586304000

https://backpack.tf/profiles/76561198198136067#!/compare/1586217600/1586304000

Sold with ST Drongo for 33 keys

Drongo Mini:

https://backpack.tf/suggestion/5eebf783ce326232a3671832

Suggestion for 6.5 keys

Total is 26.5 keys

Sale 29:

https://backpack.tf/profiles/76561198198136067#!/compare/1587168000/1588204800

https://backpack.tf/profiles/76561198305494036#!/compare/1587081600/1587168000

QS

sale 30:

https://backpack.tf/profiles/76561198305494036#!/compare/1587081600/1587168000

https://backpack.tf/profiles/76561199026086082#!/compare/1587168000/1587254400

Sold for ~26 keys

sale 31:

https://backpack.tf/profiles/76561199026086082#!/compare/1588550400/1589500800

https://backpack.tf/profiles/76561198073335093#!/compare/1588464000/1588550400

Bulk

sale 32:

https://backpack.tf/profiles/76561198073335093#!/compare/1589500800/1589673600

https://backpack.tf/profiles/76561198192602363#!/compare/1589846400/1589932800

Untrace

sale 33:

https://backpack.tf/profiles/76561198873606872#!/compare/1589760000/1590796800

https://backpack.tf/profiles/76561198125791160#!/compare/1589673600/1589760000

Sold for Mystic Warming + 1 key

use there, few sales

Sale 34:

https://marketplace.tf/items/tf2/30827;5;u14

$36 / $1.68 = 21.43 keys

$49.99 / $1.69 = 29.58 keys <--- https://backpack.tf/item/8556895430

$50 / $1.88 = 26.60 keys

Total sales @:

21, 25, 25, 25, 26, 26, 27, 27, 27, 28, 29, 30, 30, 30 keys

buyers up to ~24 keys,

2 sellers unsold at 33 keys for a month,

https://i.imgur.com/OFtsIXv.jpg

Taking 25 - 30 keys.