Item history: https://backpack.tf/item/1202470206

Recently sold for 200 keys and Galactic Codex Capitan Space Mann:

https://backpack.tf/profiles/76561198054785487#!/compare/1713484800/1725148800

https://backpack.tf/profiles/76561198057355049#!/compare/1725062400/1725148800

GC Capitan Space Mann got recently priced at 695 keys:

https://backpack.tf/suggestion/66e6076ab7d2a693c9032f32

Taking 200 + 695 = 895 keys

The other movement of this exact cosa looks like a gift between friends:

https://backpack.tf/profiles/76561198205194977#!/compare/1724716800/1725235200

If they're willing to comment if it's true, or if some kind of trade happened, i will update the suggestion.

No other movement has been seen in past 6 months