Item 1

https://backpack.tf/item/3721584612

Sale 1

https://backpack.tf/profiles/76561198152373135#!/compare/1704240000/1704326400

https://backpack.tf/profiles/76561198040280241#!/compare/1704240000/1704326400

Strange Professional Killstreak Golden Frying Pan (2925)

https://backpack.tf/suggestion/6598e065323e5b4401077d8a

2750 - 3100 keys, 2925 keys.

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Strange Professional Killstreak Warhawk Rocket Launcher (Factory New) (1200)

https://backpack.tf/suggestion/64aa682b34bb7a180d0a97b2

Taking as outdated at 1200 keys (as it was used here https://backpack.tf/suggestion/65e0d66ed38e15634c02bd8c)

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30 keys

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Cloudy Moon Crone's Dome (2067)

https://backpack.tf/suggestion/65b546cbd977d782820b9f74

In-date, unrounded sale was 2067 keys.

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Collector's Specialized Killstreak Dead Ringer (300)

No sales, none here either https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Collector%27s%20Specialized%20Killstreak%20Dead%20Ringer

In this older sale https://backpack.tf/item/3976795731, 300 keys leaving buyer's compare seem to match histories wise

https://backpack.tf/profiles/76561198063640894#!/compare/1691884800/1692489600

https://backpack.tf/profiles/76561198119500025#!/compare/1692144000/1692230400

So if we take this sale as correct we could value the Collector's Spec KS Dead Ringer at 300 keys.

(Buyers at 115 (https://imgur.com/a/xCuinJv) for the Spec KS variant)

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Strange Professional Killstreak Killer Bee Scattergun (Factory New) (1864)

https://backpack.tf/suggestion/66039129f7e6be40ac08850c

Open suggestion, sales prior to rounding are 1498 - 2229 keys, ~1864 keys.

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Collector's Professional Killstreak Disciplinary Action (80)

https://backpack.tf/suggestion/65bda9a40051555b17062e65

Taking in-date suggestion at 80 keys.

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Strange Professional Killstreak Red Bear Shotgun (Factory New) (250)

https://backpack.tf/suggestion/65dda78c779031a479056e0a

In-date suggestion at 250 keys.

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Collector's Sandvich (110)

https://backpack.tf/suggestion/65ddacaf4a5315cdff00c734

In-date suggestion at 110 keys.

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Collector's Mad Milk (81)

https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Collector%27s%20Mad%20Milk

https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Mann%20Co.%20Supply%20Crate%20Key

Jan 6, ~112 keys (significantly above sellers)

Jan 7, ~81 keys

Taking as 81 keys.

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Strange Hot Leopard Printed Rocket Launcher (Minimal Wear) (63)

No sales for this https://next.backpack.tf/almanac/search?itemName=Rocket%20Launcher&particle=701&texture=310, taking generic buyers at 63 keys: https://imgur.com/a/GQms7hM

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Strange Clown's Cover-Up (14)

=

2925 + 1200 + 30 + 2067 + 300 + 1864 + 80 + 250 + 110 + 81 + 63 + 14

=

8984 keys

Classies: https://imgur.com/a/UOCZn4Y

https://backpack.tf/item/3721584612 - Seller at 16500 keys

Rounding only sale to 9000 flat.