Marketplace Sales:

https://marketplace.tf/items/tf2/30406;5;u57

$24.44, May 16th

$16.95, May 19th

$16, June 20th

http://manic.tf/keyprice?at=2020-05-16&price=24.44 - $24.44 / $1.89 = 12.93 keys

https://backpack.tf/item/3977466565

https://bot.tf/stats/listings/4EP900QD - No B/O

http://manic.tf/keyprice?at=2020-05-19&price=16.95 - $16.95 / $1.89 = 8.97 keys

https://backpack.tf/item/7957430566 - Seller doesn’t do B/Os

http://manic.tf/keyprice?at=2020-06-20&price=16 - $16 / $1.98 = 8.08 keys

https://bot.tf/stats/listings/MNR9RROJ - No B/O

After rounding, we have:

13 keys

Other Sales:

https://backpack.tf/item/7957430566 (#1)

https://backpack.tf/item/6096423555 (#2)

#1

Untraceable

https://backpack.tf/profiles/76561198077934494#!/compare/1585785600/1590278400

https://backpack.tf/profiles/76561198363395191#!/compare/1589587200/1589760000

Sold on marketplace afterwards.

#2

Untraceable bot.tf purchase

https://backpack.tf/item/6096423555

Seller wasn’t scanned, we aren’t gonna find it here.

https://i.imgur.com/iBsxxsr.png - labelled as 7 keys + 30 ref

Sellers:

https://i.imgur.com/V2nCCaU.png

https://backpack.tf/item/6096423555 - ~8.6 keys

https://backpack.tf/item/7955946561 - 15 keys

Sales at:

8

9

13

13 is an outlier, excluding 13.

Taking 8-9.