Using last 3 months.

Sale 1:

Sold for 6 keys + 29.55 ref

https://backpack.tf/profiles/76561198093990731#!/compare/1707868800/1708300800

https://backpack.tf/profiles/76561198890990852#!/compare/1708128000/1708300800

https://backpack.tf/item/11297240877

= 6.5 keys

Sale 2:

Sold to a bot for 5 keys + 47.44 ref

https://backpack.tf/profiles/76561198043465434#!/compare/1707696000/1707868800

https://backpack.tf/profiles/76561198421652838#!/compare/1707782400/1707868800

https://backpack.tf/item/10595881013

Keys were ~55 ref at the time, this’ll round to 6 keys

= 6 keys

Sale 3:

Sold for 6 keys

https://backpack.tf/profiles/76561198125384115#!/compare/1707004800/1707091200

https://backpack.tf/profiles/76561198120107112#!/compare/1707091200/1707177600

https://backpack.tf/item/3626885013

= 6 keys

Other Sales:

#1

https://backpack.tf/profiles/76561199125108615#!/compare/1706140800/1706227200

https://backpack.tf/profiles/76561199125108615#!/compare/1706140800/1706227200

https://backpack.tf/item/14067928800

Untraceable, may not have been unusual at the time

#2

https://backpack.tf/profiles/76561198254278096#!/compare/1707004800/1707091200

https://backpack.tf/profiles/76561198125384115#!/compare/1707004800/1707091200

https://backpack.tf/item/3626885013

Bulk for keys

#3

https://backpack.tf/profiles/76561198088293094#!/compare/1710201600/1710288000

https://backpack.tf/profiles/76561198261483133#!/compare/1710115200/1710201600

https://backpack.tf/item/3360176836

Backpack buy

#4

https://backpack.tf/profiles/76561199215219582#!/compare/1709769600/1709856000

https://backpack.tf/profiles/76561198850121720#!/compare/1709683200/1709769600

https://backpack.tf/item/3341061754

Untraceable/Bulk, most likely a scammer fence

#5

https://backpack.tf/profiles/76561198850121720#!/compare/1710374400/1710460800

https://backpack.tf/profiles/76561198134238543#!/compare/1710374400/1710460800

https://backpack.tf/item/3341061754

Untraceable

#6

https://backpack.tf/profiles/76561198134238543#!/compare/1710460800/1710547200

https://backpack.tf/profiles/76561198877565874#!/compare/1710460800/1710547200

https://backpack.tf/item/3341061754

Untraceable/Bulk

#7

https://backpack.tf/profiles/76561198033592102#!/compare/1707955200/1711497600

https://backpack.tf/profiles/76561198260126432#!/compare/1711065600/1711152000

https://backpack.tf/item/3276028521

Bulk for keys

#8

https://backpack.tf/profiles/76561198260126432#!/compare/1711152000/1711238400

https://backpack.tf/profiles/76561199088494686#!/compare/1711152000/1711238400

https://backpack.tf/item/3276028521

Untraceable, half a key in metal matches

#9

https://backpack.tf/profiles/76561198021947592#!/compare/1711497600/1711670400

https://backpack.tf/profiles/76561198039458727#!/compare/1711497600/1711670400

https://backpack.tf/item/3276028521

Bulk for keys

https://backpack.tf/item/14328211053 - unusualified

https://backpack.tf/item/11497913603 - unusualified

https://backpack.tf/item/10920984777 - marketplace

https://backpack.tf/item/3410555657 - mannco

https://backpack.tf/item/3362493709 - marketplace

Marketplace Sales:

https://marketplace.tf/items/tf2/30570;5;u3003

$13.99, Feb 4th, 18th, March 24th & April 9th

These sales are gonna end up being 8+ keys, which is way higher than current sellers. Excluding.

Sellers:

https://imgur.com/a/heWsVzA

https://backpack.tf/item/3360176836 - ~6.4 keys

https://backpack.tf/item/9222784407 - ~6.4 keys

https://backpack.tf/item/10595881013 - ~6.4 keys

https://backpack.tf/item/11272069890 - 13 keys

https://backpack.tf/item/3868096582 - 13 keys

https://backpack.tf/item/3410555657 - marketplace

https://backpack.tf/item/11143952840 - marketplace

https://backpack.tf/item/9789336706 - marketplace

https://backpack.tf/item/5449623273 - marketplace

Sales at:

6 (2x)

6.5

Taking 6-6.5 keys.