the toque's price is 7 months outdated, there are probably more sales, close this

Your Seller link is incorrect and you mislabeled which was the Seller and which was the Buyer

https://backpack.tf/profiles/76561198048851745#!/compare/1576108800/1576281600 - Seller

https://backpack.tf/profiles/76561198068513116#!/compare/1575590400/1576281600 - Buyer

As such, this sale isn't traceable or usable.

https://marketplace.tf/items/tf2/377;5;u32 - Sales at $19 (11 Keys), $13.89 (8.5 Keys), and $11 (6 Keys)

11 goes outdated in a week, so the current market would support 8.5 Keys.

https://imgur.com/a/h7Ou0fD - Seller at $18.10 (10 Keys)

https://backpack.tf/item/845293759