Marketplace Sales:

https://marketplace.tf/items/30003;5;u6

$75 on March 17th

$40 on March 18th

$53 on May 27th (2x)

$53 on May 29th

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

https://backpack.tf/item/5370375803 - B/O of 31 on May 27th

https://manic.tf/keyprice/?at=2019-03-17 - $75 / $1.8 = 41.67 keys

https://manic.tf/keyprice/?at=2019-03-18 - $40 / $1.79 = 22.35 keys

https://manic.tf/keyprice/?at=2019-05-27 - $53 / $1.81 = 29.28 keys

https://marketplace.tf/items/5021;6/Mann%20Co.%20Supply%20Crate%20Key - $53 / $1.81 = 29.28 keys

X = 42

X = 29 (3x)

X = 22

Other Sales:

https://backpack.tf/item/5411752414 (#1)

https://backpack.tf/item/2886919448 - marketplace

https://backpack.tf/item/5370375803 - marketplace

https://backpack.tf/item/6955884913 - gambled

#1

Sold for Circling Heart Texas Tin-Gallon + 12 keys

https://backpack.tf/profiles/76561198064636295#!/compare/1555286400/1556668800

https://backpack.tf/profiles/76561197964171516#!/compare/1556582400/1556668800

No mini on the Gallon. Excluding.

Sellers:

https://i.imgur.com/E2PZwqX.png

https://backpack.tf/item/5411752414 - 34 keys

https://backpack.tf/item/2126513465 - 37 keys

https://backpack.tf/item/5370375803 - 40 keys

https://backpack.tf/item/5037173932 - 50 keys

https://backpack.tf/item/5680386226 - 50 keys

Sales at:

22

29 (3x)

42

42 is way too high compared to sellers. Excluding 42.

22 is way too low compared to buyers. Excluding 22.

Going with 29 flat.