Item 1: https://backpack.tf/item/4634111557

Sale 1:

https://backpack.tf/profiles/76561199564942025#!/compare/1778198400/1778284800

https://backpack.tf/profiles/76561198275177982#!/compare/1778198400/1778284800

Sold for 146 keys pure (and 1 scrap) (ID 17012328553)

Sale 2:

https://backpack.tf/profiles/76561199485225128#!/compare/1781136000/1781222400

https://backpack.tf/profiles/76561198275177982#!/compare/1780617600/1781222400

Bulk for Hellfire Belgian Detective

Sale 3:

https://backpack.tf/profiles/76561199485225128#!/compare/1781308800/1781395200

https://backpack.tf/profiles/76561198063640894#!/compare/1781308800/1781395200

Bulk for Arcana Familiar Fez

Item 2: https://backpack.tf/item/2780745246 - DUPED

Sale 4:

https://marketplace.tf/items/tf2/344;5;u13

Sold on the 16th of April for $333

Keys were $2 on the 16th

333/2

= 166.5

Rounding down to 165 keys

Item 3: https://backpack.tf/item/2497792396

Sale 5:

https://backpack.tf/profiles/76561199059698603#!/compare/1775174400/1775260800

https://backpack.tf/profiles/76561198860712683#!/compare/1775174400/1775692800

Sold for a Starstorm Slumber Toadstool Topper + 48 keys

Excluding this sale especially since it seems high and was later dumped back to the bot as per sale 6

Sale 6:

https://backpack.tf/profiles/76561198860712683#!/compare/1780012800/1780531200

https://backpack.tf/profiles/76561198850121720#!/compare/1780012800/1780099200

Sold for ??? Seems to have been dumped for keys and other items bought

Item 4: https://backpack.tf/item/749260497 - Duped no sales

//

Sellers:

BPTF - https://imgur.com/a/B2HHHeY - 1 @ 185, 1 @ 188, 1 @ listed on MP as per below

MPTF - https://marketplace.tf/items/tf2/344;5;u13 - 1 @ $378.10

STN - https://stntrading.eu/item/tf2/Unusual+Burning+Flames+Crocleather+Slouch - None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Crocleather%20Slouch?appid=440&q=Burning+Flames - None

Sale(s):

146, 165

Going with 146 - 165