I somehow actually forgot to do this.

Sale 1: https://backpack.tf/profiles/76561199246840669#!/compare/1685923200/1705795200

https://backpack.tf/profiles/76561198133596451#!/compare/1705708800/1705795200

Sold for 19 pure + a ~3 key Shottie

19 + 3 = 22

Sale 2: https://backpack.tf/profiles/76561198373441546#!/compare/1706400000/1706486400

https://backpack.tf/profiles/76561198133596451#!/compare/1706400000/1706486400

Sold for a Strange Blizzardy Storm Throttlehead (21 keys) + ~20 in adds

21 + 20 = 41

Mini for the Throttlehead: https://backpack.tf/suggestion/661dbc1d6b42496a95051de5

Sale 3: https://backpack.tf/profiles/76561198373441546#!/compare/1708214400/1708300800

https://backpack.tf/profiles/76561198382588936#!/compare/1708214400/1708300800

Sold for a Isotope Festivized Specialized Killstreak Igloo Rocket Launcher (Field-Tested), no other usable sales on the RL, use there.

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Only sales on the RL:

Sale 1: https://backpack.tf/profiles/76561198350054215#!/compare/1707177600/1707436800

https://backpack.tf/profiles/76561198034154143#!/compare/1707350400/1707436800

13 keys match

Sale 2: https://backpack.tf/profiles/76561198834218821#!/compare/1708041600/1708128000

https://backpack.tf/profiles/76561198382588936#!/compare/1707955200/1708041600

5 keys, Taunt: The Pooped Deck and some random cheap items match = ~6

This could be 24 keys + ~6 = 30, given that keys seem to have been spent to buy these: https://backpack.tf/item/10305619244 / https://backpack.tf/item/13349818068 / https://backpack.tf/item/11098066283

However, while some removed keys on the buyer side match with Harry, this removed item on the seller side also matches with Harry: https://backpack.tf/item/7957579741 additionally to the gained Max's Head.

Calling this trade untraceable.

Sale 3: https://backpack.tf/profiles/76561198373441546#!/compare/1709251200/1709337600

https://backpack.tf/profiles/76561198185816810#!/compare/1709251200/1709424000

Untrace.

Sale 4: https://backpack.tf/profiles/76561198185816810#!/compare/1712707200/1712793600

https://backpack.tf/profiles/76561198841031804#!/compare/1712707200/1712793600

7 keys match.

I've never had this happen before, I suppose I'll use sale 3 to update the RL.

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Sale 4: https://backpack.tf/profiles/76561198278463588#!/compare/1709164800/1709424000

https://backpack.tf/profiles/76561198169401971#!/compare/1709337600/1709424000

Sold with 30 ref for 30 pure, 30 keys.

Sale 5: https://backpack.tf/profiles/76561198169401971#!/compare/1710028800/1710115200

https://backpack.tf/profiles/76561199232380670#!/compare/1710028800/1710115200

Then dumped to 18 pure + some ref

Sale 6: https://backpack.tf/profiles/76561199232380670#!/compare/1710633600/1710720000

https://backpack.tf/profiles/76561198260126432#!/compare/1710633600/1710720000

28 pure

Sale 7: https://backpack.tf/profiles/76561198260126432#!/compare/1710892800/1710979200

https://backpack.tf/profiles/76561199076018223#!/compare/1710720000/1710979200

30 pure

Sale 8: https://backpack.tf/profiles/76561199076018223#!/compare/1710979200/1711152000

https://backpack.tf/profiles/76561198045466865#!/compare/1711065600/1711152000

Bulk, use there.

Sale 9: https://backpack.tf/profiles/76561198045466865#!/compare/1711238400/1711324800

https://backpack.tf/profiles/76561198045287410#!/compare/1711238400/1711324800

23 pure

Sale 10: https://backpack.tf/profiles/76561198045287410#!/compare/1712016000/1712102400

https://backpack.tf/profiles/76561198031718245#!/compare/1711756800/1712188800

10 keys match, might've been 25 pure, but can't be sure.

Xergoyf:

In sale 1, the 3 key price shown must be from a scm seller that delisted. There are not any recent SCM sales but I found this sale for 2 keys and sweets here https://backpack.tf/profiles/76561198087083672#!/compare/1705708800/1705795200

That'd make the sale 21, 21 - 30 is fine here

Classies: https://i.imgur.com/2h8Uv9M.png. Usable sales: 21, 23, 28, 30 and 41. Unusable sales are: 18, 25 and 30. Taking 21-30.