https://backpack.tf/stats/Unusual/Tyrant's%20Helm/Tradable/Craftable/29

Team 5 Day 2 (BlazingParte)

Sale 1:

https://backpack.tf/item/720278421

https://backpack.tf/profiles/76561198337734785#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198093251141#!/compare/1565740800/1566000000

Untraceable

Sale 2:

https://backpack.tf/item/720278421

https://backpack.tf/profiles/76561198847970475#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561198337734785#!/compare/1565827200/1565913600

Untraceable

Sale 3:

https://backpack.tf/item/720278421

https://backpack.tf/profiles/76561198060494946#!/compare/1561248000/1561334400

https://backpack.tf/profiles/76561198847970475#!/compare/1561334400/1562025600

= 22 keys (buyout at 22 keys: https://bot.tf/stats/listings/4WGJ5P0M)

Sale 4:

https://backpack.tf/item/789293385

https://backpack.tf/profiles/76561198064982470#!/compare/1561420800/1561507200

https://backpack.tf/profiles/76561198055847835#!/compare/1561334400/1561507200

Bulky

Sale 5:

https://backpack.tf/item/789293385

https://backpack.tf/profiles/76561198064982470#!/compare/1560816000/1561161600

https://backpack.tf/profiles/76561198037130446#!/compare/1560729600/1561248000

Bulky

Sale 6:

https://backpack.tf/item/1272688922

https://backpack.tf/profiles/76561198001229964#!/compare/1559347200/1559433600

https://backpack.tf/profiles/76561198443502958#!/compare/1559347200/1559433600

= 24 keys (buyout at 24 keys: https://bot.tf/stats/listings/MXZ21D1Y)

Keys on MeguBot's side came from Cloaker, he just doesn't appear in the history (Cloaker exchanged hats for keys from another user)

Sale 7:

https://backpack.tf/item/1272688922

https://backpack.tf/profiles/76561198443502958#!/compare/1558569600/1558656000

(other side is unclear)

Looks like 19 keys, however key histories don't match and can't use the other compare link to deduce if the keys went to Smoke.

Sale 8:

https://backpack.tf/item/1272688922

https://backpack.tf/profiles/76561198113216284#!/compare/1558656000/1558828800

(other side is unclear)

Bulky

Sale 9:

https://backpack.tf/item/2403158949

https://backpack.tf/profiles/76561198193523473#!/compare/1561420800/1561507200

https://backpack.tf/profiles/76561198061779536#!/compare/1561420800/1561507200

= 20 keys + 20 refined metal + 11.11 ref in sweets

~ 21 keys (buyout at 22 keys: https://bot.tf/stats/listings/MV0X5PE4)

Sale 10:

https://backpack.tf/item/2403158949

https://backpack.tf/profiles/76561198061779536#!/compare/1561075200/1561161600

https://backpack.tf/profiles/76561198151732820#!/compare/1561075200/1561161600

Bulky

Sale 11:

https://backpack.tf/item/2403158949

https://backpack.tf/profiles/76561198086259875#!/compare/1561075200/1561161600

https://backpack.tf/profiles/76561198151732820#!/compare/1561075200/1561161600

Bulky

Marketplace.tf sales (12-13):

https://marketplace.tf/items/tf2/99;5;u29

https://marketplace.tf/items/tf2/5021;6

https://backpack.tf/item/1387942958

= $49.99 / $1.82 (Jul 13)

= 27.46...

~ 27 keys (buyout at 27 keys: https://bot.tf/stats/listings/MQOE8004)

https://backpack.tf/item/2403158949

= $49.99 / $1.84 (Jun 15)

= 27.17...

~ 24 keys (buyout at 24 keys: https://bot.tf/stats/listings/4ZQN21Q4

Sellers:

https://imgur.com/a/rBWVCL7 (both sellers young)

https://backpack.tf/item/720278421 = 21 keys

https://backpack.tf/item/1387942958 = 22 keys

Key sales summary: 21, 22, 24, 24, 27

Conclusion: pricing at 21-24 keys, excluding sale at 27 keys as an outlier.