Taking sales within the last 3 months.

Item 1: https://backpack.tf/item/235895273

Sale 1

https://backpack.tf/profiles/76561198056793885#!/compare/1686700800/1686787200

June 2023. 84 keys.

Sale 2

https://gyazo.com/8b3db88e3c2e12732616c05c2ac780ae

August 2023, 68 keys and 50+ in metal, rounding up to 69.

Sale 3

https://backpack.tf/profiles/76561198347885088#!/compare/1688256000/1689897600

July 2023. Untraceable.

Sale 4

https://backpack.tf/profiles/76561198347885088#!/compare/1689897600/1690934400

July 2023. Untraceable.

Item 2: https://backpack.tf/item/245645220

Sale 5

https://steamcommunity.com/market/listings/440/Unusual%20A%20Rather%20Festive%20Tree

https://gyazo.com/f5085c3093b3f182ca274730e35eae7f

August 17, 2023. Sold on SCM for HK$ 1438.58. The average key price of that specific time (2 pm) on SCM was HK$ 17.76 and the tradable time for this hat perfectly aligns with the SCM sale.

1438.58/17.76=81 keys.

Item 3: https://backpack.tf/item/362044399

Sale 6

https://backpack.tf/profiles/76561198061779536#!/compare/1690156800/1690416000

July 2023. Bulk, untraceable.

Item 4: https://backpack.tf/item/206354186

Sale 7

https://backpack.tf/profiles/76561198064785839#!/compare/1692144000/1692403200

August 2023. Sold for a Sunbeams Tree (53.5) and 10 keys. There were no recent sales on Sunbeams Tree to give it a proper price as its current price was 2 years ago, so I'm excluding this one.

No other recent sales at mplc.tf and mannco.store. But if there are any other usable sales, feel free to comment.

84 and 81 seem a bit off because the current lowest seller is at 69. As of August 19, 2023, the 69-key listing is unsold for 13 days. But the SCM sale is valid and the 84-key sale is still within the 3-month range. So I think it's fine to keep them in here.

Taking 69-84.

New sale on item: https://backpack.tf/item/206354186

https://backpack.tf/profiles/76561198064785839#!/compare/1692403200/1692748800

https://backpack.tf/profiles/76561198316071886#!/compare/1692489600/1692662400

August 2023. Sold along with 35 keys for a Scorching Flames Towering Pillar of Hats (84).

There are 3 recent sales of SF Towering Pillar of Hats.

https://mannco.store/item/440-scorching-flames-unusual-towering-pillar-of-hats

2 sales on mannco.store on June 21 and 22, 2023. The average key price at mannco.store during those 2 days was $1.8. Each was sold for $144.44.

144.44/1.8=80 keys. I'm not sure if I should include these 2 sales as there are BOs at $144.

https://marketplace.tf/items/tf2/135;5;u14

August 1, 2023. The average key price of that day was $1.95.

249.99/1.95=128 keys. There are listings at $240 on mannco.store, so this one seems a bit too high.

Taking the average value, it will be (84+128)/2=106. The final value will be 106-35=71 keys, but I'm not really 100% confident about it.

If including the 2 mannco.store sale, it will be (80+80+84+128)/4=93, which returns a final value of 93-35=58. It's clearly too low.

New sale on item: https://backpack.tf/item/219470621

https://backpack.tf/profiles/76561199085116273#!/compare/1692748800/1692835200

August 2023.

https://gladiator.tf/time-machine?item=Burning+Flames+A+Rather+Festive+Tree&at=2023-08-24T10%3A38%3A00.000Z

Time Machine from gladiator.tf shows the listing is at 69 keys + 30 ref. However, quicksell.store sometimes offers slight discounts on unusual hats, so this sale could be rounded to either 69 or 70 keys.

2 more sales.

https://backpack.tf/item/219470621

https://backpack.tf/profiles/76561197995330004#!/compare/1689897600/1693008000

July 2023. Untraceable.

https://backpack.tf/item/208531447

https://backpack.tf/profiles/76561198080235153#!/compare/1692662400/1693008000

August 2023. Untraceable.

There is one more sale, but unfortunately, the buyer's backpack hasn't been updated in the last 3 days. I'll add it here as soon as the TF2 inventory API becomes more stable.

New sale on item: https://backpack.tf/item/13464042291

https://backpack.tf/profiles/76561198242073218#!/compare/1630627200/1693440000

https://backpack.tf/profiles/76561198316071886#!/compare/1693353600/1693440000

August 2023, 85 keys.

Given how many sales we have here and it's kinda getting clumsy with the posts, I'm going to close this and do a new one.