Sale 1:

https://backpack.tf/profiles/76561198304302520#!/compare/1585699200/1585872000

https://backpack.tf/profiles/76561198864748007#!/compare/1585699200/1585958400

Sold for 15 keys

Sale 2:

https://backpack.tf/profiles/76561198170118063#!/compare/1583798400/1584057600

https://backpack.tf/profiles/76561198337734785#!/compare/1583971200/1584057600

QS

sale 3:

https://backpack.tf/profiles/76561198337734785#!/compare/1583971200/1584057600

https://backpack.tf/profiles/76561198378320706#!/compare/1583971200/1584057600

Keys

sale 4:

https://backpack.tf/profiles/76561198378320706#!/compare/1586304000/1586563200

https://backpack.tf/profiles/76561198408017461#!/compare/1586304000/1586476800

Bulk

sale 5:

https://backpack.tf/profiles/76561198408017461#!/compare/1586563200/1586649600

https://backpack.tf/profiles/76561198131785751#!/compare/1586563200/1586649600

Sold for Vivid Hottie

use there

https://bot.tf/stats/listings/429NZ7X5

B/O of 14 keys

sale 4:

https://backpack.tf/profiles/76561198131785751#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561198123224716#!/compare/1586649600/1586736000

Sold for Miami Tit Pillar(12) + ~1 key in sweets

Total is 13 keys

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

B/O of 13 keys

sale 5:

https://backpack.tf/profiles/76561198123224716#!/compare/1586736000/1586822400

https://backpack.tf/profiles/76561198402783260#!/compare/1586649600/1587340800

Sold for 13 keys

sale 6:

https://backpack.tf/profiles/76561198402783260#!/compare/1587513600/1587772800

https://backpack.tf/profiles/76561198447257724#!/compare/1587686400/1587772800

QS

sale 7:

https://backpack.tf/profiles/76561198447257724#!/compare/1587686400/1587772800

https://backpack.tf/profiles/76561198299639995#!/compare/1587427200/1587772800

Sold for ~10 keys

sale 8:

https://backpack.tf/profiles/76561198299639995#!/compare/1588032000/1588118400

https://backpack.tf/profiles/76561198064884783#!/compare/1586995200/1588291200

Untrace

sale 9:

https://backpack.tf/profiles/76561198064884783#!/compare/1588291200/1588377600

https://backpack.tf/profiles/76561198021731855#!/compare/1587513600/1588291200

Bulk

sale 10:

https://backpack.tf/profiles/76561198021731855#!/compare/1588464000/1588550400

https://backpack.tf/profiles/76561198363231274#!/compare/1588464000/1588550400

Bulk

sale 11:

https://backpack.tf/profiles/76561198363231274#!/compare/1588464000/1588550400

https://backpack.tf/profiles/76561198089253101#!/compare/1588550400/1588636800

Sold for 12 keys

sale 12:

https://backpack.tf/profiles/76561198100132186#!/compare/1584057600/1588204800

https://backpack.tf/profiles/76561198342161127#!/compare/1584057600/1584748800

QS

sale 13:

https://backpack.tf/profiles/76561198342161127#!/compare/1585612800/1585699200

https://backpack.tf/profiles/76561198203029494#!/compare/1585612800/1585699200

Sold for 15 keys

Sale 14:

https://backpack.tf/profiles/76561198362290751#!/compare/1583020800/1583366400

https://backpack.tf/profiles/76561198064133626#!/compare/1583280000/1583366400

Sold for 12 keys

sale 15:

https://backpack.tf/profiles/76561198121102004#!/compare/1583366400/1583452800

https://backpack.tf/profiles/76561198049204840#!/compare/1583366400/1583452800

high / bulk

sale 14:

https://backpack.tf/profiles/76561198049204840#!/compare/1584489600/1584576000

https://backpack.tf/profiles/76561198165261184#!/compare/1584576000/1584662400

Sold for 10 keys + Grail Requiem

https://bot.tf/stats/listings/Y80E1RWW

B/O of 14 keys, easily caps by buyers on Requiem

sale 15:

https://backpack.tf/profiles/76561198124912700#!/compare/1588204800/1588291200

https://backpack.tf/profiles/76561198057816579#!/compare/1588204800/1588291200

https://backpack.tf/profiles/76561198112405270#!/compare/1588118400/1588291200

Untrace / Bulk

sale 16:

https://backpack.tf/profiles/76561198021055079#!/compare/1588032000/1588118400

https://backpack.tf/profiles/76561198144858457#!/compare/1588032000/1588118400

Sold for miami Scopers(13.5) + 4 keys

Total is 17.5 keys

https://bot.tf/stats/listings/4P055R66

B/O of 16 keys, capping

Sale 17:

https://backpack.tf/profiles/76561198082403743#!/compare/1588204800/1588464000

https://backpack.tf/profiles/76561198244719404#!/compare/1588032000/1588464000

Cant race a key

sale 18:

https://backpack.tf/profiles/76561198244719404#!/compare/1588809600/1588982400

https://backpack.tf/profiles/76561198110916321#!/compare/1588809600/1588982400

Sold for Blizzardy Marauder + 4 keys

use there

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

B/O of 17 keys

sale 19:

https://backpack.tf/profiles/76561198110916321#!/compare/1589241600/1589414400

https://backpack.tf/profiles/76561199046705541#!/compare/1589328000/1589414400

sold for 13 keys

sale 20:

https://backpack.tf/profiles/76561199046705541#!/compare/1589414400/1589500800

https://backpack.tf/profiles/76561198337734785#!/compare/1589414400/1589500800

QS

sale 21:

https://backpack.tf/profiles/76561198996651755#!/compare/1587945600/1588464000

https://backpack.tf/profiles/76561198061985321#!/compare/1586908800/1589155200

SCM

sale 22:

https://backpack.tf/profiles/76561198061985321#!/compare/1589155200/1589328000

https://backpack.tf/profiles/76561198080179568#!/compare/1589241600/1589328000

Sold for ~13 keys

Sale 23:

https://marketplace.tf/items/tf2/417;5;u62

$25.1 / $1.70 = 14.76 keys <--- https://backpack.tf/item/7956736355

Total sales @:

10, 12, 12, 13, 13, 13, 13, 14, 15, 15, 15, 16 keys

buyers up to ~13 keys,

2 sellers for ~15 keys,

one new seller for 14 keys,

can't ignore all the sales at 13 keys (note that most happened when buyers were much lower)

taking 13 - 15 keys.