Sale 1:

Sold for 12 keys

https://backpack.tf/profiles/76561199564942025#!/compare/1754006400/1754092800

https://backpack.tf/profiles/76561198998028088#!/compare/1753056000/1754092800

https://backpack.tf/item/15544221271

= 12 keys

Sale 2:

Sold for 12 keys

https://backpack.tf/profiles/76561198311498888#!/compare/1754438400/1754524800

https://backpack.tf/profiles/76561199159592622#!/compare/1754265600/1754524800

https://backpack.tf/item/15544221271

= 12 keys

Marketplace Sales:

https://marketplace.tf/items/tf2/31271;5;u226

$29.95, May 23rd & June 6th

https://marketplace.tf/items/tf2/5021;6 - keys were:

$1.94, May 26th (can’t get any closer)

$1.93, June 6th

29.95/1.94 = 15.438, rounds to 15 keys

29.95/1.93 = 15.518, rounds to 16 keys

Other Sales:

#1

https://backpack.tf/profiles/76561198086011812#!/compare/1744934400/1754092800

https://backpack.tf/profiles/76561199564942025#!/compare/1752969600/1753056000

https://backpack.tf/item/15544221271

Untraceable

#2

https://backpack.tf/profiles/76561198086011812#!/compare/1752883200/1753228800

https://backpack.tf/profiles/76561199564942025#!/compare/1752969600/1753056000

https://backpack.tf/item/15544221271

Untraceable, though possible the “seller” here sold it on marketplace, then the buyer dumped to STN before being scanned in their inventory.

#3

https://backpack.tf/profiles/76561198998028088#!/compare/1754265600/1754352000

https://backpack.tf/profiles/76561198311498888#!/compare/1754179200/1754265600

https://backpack.tf/item/15544221271

Untraceable, bulk to STN. Follows the 12 key purchase

#4

https://backpack.tf/profiles/76561198122825591#!/compare/1754784000/1755043200

https://backpack.tf/profiles/76561199047141220#!/compare/1741651200/1755043200

https://backpack.tf/item/15544221271

Untraceable/Bulk

#5

https://backpack.tf/profiles/76561199047141220#!/compare/1755043200/1755129600

https://backpack.tf/profiles/76561199011076258#!/compare/1754611200/1755216000

https://backpack.tf/item/15544221271

Untraceable/Bulk, probably gambled

#6

https://backpack.tf/profiles/76561198085595075#!/compare/1752451200/1752537600

https://backpack.tf/profiles/76561198363395191#!/compare/1752364800/1753315200

https://backpack.tf/item/11978057930

Untraceable

Sellers:

https://i.imgur.com/nYzUZmV.png

https://backpack.tf/item/12144567447 - ~15.7 keys

https://i.imgur.com/FoJW1lr.png - Has been listed since January

https://steamcommunity.com/market/listings/440/Unusual%20Hawaiian%20Hunter?filter=frosted+decadence

https://i.imgur.com/Wdne2JA.png - $57.84 AUD

https://steamcommunity.com/market/listings/440/Mann%20Co.%20Supply%20Crate%20Key

https://i.imgur.com/VNCPyhN.png - Keys are ~$3.75

57.84/3.75 = 15.424

Sales at:

12 (2x)

15

16

Seller at ~15.7 keys has been listed for about 7 months. Excluding 16.

Taking 12-15 keys.