Sale #1:

https://backpack.tf/item/2039012263

https://backpack.tf/profiles/76561199581722058#!/compare/1737244800/1737331200 ~ 423 keys + 5 ref match

https://backpack.tf/profiles/76561198097171432#!/compare/1737244800/1737331200 ~ 696 keys + 69 ref matches which also matches the stn sell price https://i.imgur.com/VnzgcVs.png

Sale #2:

https://backpack.tf/profiles/76561198874839936#!/compare/1736899200/1737331200 ~ 454 keys + 2 rec matches

https://backpack.tf/profiles/76561199581722058#!/compare/1736812800/1736899200

Considering this was bought within a matter of 5 minutes according to the history of the hat, I think we exclude sale 2 considering 696 keys sold within 5 mins.

Guideline - for hats 200-1000 keys, please round to the nearest 10 keys

Taking 700 flat.