Item 1:

https://backpack.tf/item/9637157269

Sale 1:

https://backpack.tf/profiles/76561198060126263#!/compare/1756598400/1756684800

https://backpack.tf/profiles/76561198062611321#!/compare/1753660800/1755820800 - Sellers Inventory doesn't show

Untrace

Item 2:

https://backpack.tf/item/4486136889

Sale 2:

https://backpack.tf/profiles/76561198213430295#!/compare/1751760000/1752192000

https://backpack.tf/profiles/76561198850274253#!/compare/1751673600/1751760000

Untrace, bought from a QB bot however they bought quite a few unusuals around same time (might have been together) no keys match or are clear

Item 3:

https://backpack.tf/item/10745902538

Sale 3 & 4:

https://marketplace.tf/items/tf2/1162;5;u3064

Sold for $64.99 on the 16th of July and 23rd of August

Keys were:

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

16th - $2.01 (64.99/2.01) = 32.3 (Rounding to 32 keys)

23rd - $1.84 (64.99/1.84) = 35.3 (Rounding to 35 keys)

//

Sellers:

BPTF - None

MPTF - https://marketplace.tf/items/tf2/1162;5;u3064 - None

STN - https://stntrading.eu/item/tf2/Unusual+Magic+Shuffle+Taunt%3A+Mannrobics - None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Mannrobics?filter=Magic+Shuffle - None

Sale(s):

32, 35

Going with 32 - 35 keys