I found two movements

Item 1

https://backpack.tf/item/14675646008

12 keys

https://backpack.tf/profiles/76561197961976244#!/compare/1729555200/1729641600

https://backpack.tf/profiles/76561197967159739#!/compare/1729555200/1729641600

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Item 2

https://backpack.tf/item/13966963296

15 keys

https://backpack.tf/profiles/76561198081175830#!/compare/1729728000/1729814400

https://backpack.tf/profiles/76561198011134507#!/compare/1729728000/1729814400

also this was my trade so here is extra proof: https://imgur.com/a/QnD0zC9

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Just doing the two movements that I could actually find for the suggestion.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣀⣏⡇⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⢀⣠⠼⣿⣿⡿⠛⡘⠛⡸⠠⢀⡀⠀⠀⠀⠀

⠀⠀⠀⣀⣾⣿⠿⣿⡿⠋⠀⢠⠁⠀⢱⢠⡀⠙⢆⡀⠀⠀

⠀⠀⣾⡟⢻⣿⣶⠟⠀⠠⠈⡌⠀⠀⠀⡌⠋⣄⠀⠹⡄⠀

⠀⣾⣿⣿⣿⣿⠏⢀⠈⠄⢁⠃⠀⠀⠀⢠⢰⡙⠂⠀⠸⠄

⠐⠋⠈⠀⠉⠿⠊⠉⠉⠘⢾⡔⡖⠐⠢⣼⡘⣇⠤⣀⠀⡧

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢡⠇⠀⠀⠙⠃⠉⠀⠉⢲⡧

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣺⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⣠⣶⠀⢘⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⣿⣿⣤⣿⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠙⠿⠿⠿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀