Bought from EnderSlicer for 165 keys pure (7 February 2026). I guess I still have a time to make this suggestion.

Trade screenshot: https://imgur.com/a/gjAPZwJ

Item: https://backpack.tf/item/8360206026

History diff: https://backpack.tf/profiles/76561198023517126#!/compare/1770336000/1770940800

History diff can't show all the keys traded for this hat because most of the keys were bought right before the trade, but if you check the trade history of some keys (at the end), you can see that EnderSlicer comes right after me.