This hat is worth more than 160 keys, free.

Sold for 500 pure:

https://backpack.tf/profiles/76561198042823991#!/compare/1641340800/1641427200

https://backpack.tf/profiles/76561198215559840#!/compare/1641340800/1641427200

Buyer sold the Eyes of Molten Spooky Head-Bouncers for 28 pure, the Flavorsome Sunset Reel Fly Hat for 18 pure, and bought 8 pure from marketplace.tf (total of 54 keys) on top of the 446 that show up in his inventory for compare.

Hat was unlisted, with another seller of it having a listing at 550 keys seemingly sitting still for a few months. I do not know how to use gladiator.tf to pull up snapshots but it should be easy to confirm.