giving it a slightly more updated suggestion. Last suggestion has movements that are no longer valid and new movement gives it a slightly different range.

Item 1 (ignoring trade with scammer marked)

https://backpack.tf/item/5252737179

455 pure

https://backpack.tf/profiles/76561198977721610#!/compare/1720051200/1720137600

https://backpack.tf/profiles/76561198051517023#!/compare/1720137600/1720224000

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item 2 (technically out of date by like a week but I'm using it here for range sake)

https://backpack.tf/item/5234350255

500 pure

(literally copy and pasted from Bentry's suggestion, cause I can't find it through compare data but he got screenshots)

https://backpack.tf/profiles/76561198210700703#!/compare/1711843200/1711929600

https://backpack.tf/profiles/76561198035013576#!/compare/1714003200/1714089600

https://imgur.com/nakYRcQ

https://imgur.com/6YDthw8

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Just doing the two sales as range. 455 - 500

Unsolds:

https://imgur.com/a/wPwxyvQ

550 - https://backpack.tf/item/5234350255

600 - https://backpack.tf/item/5205938217

Buyers @335.03