Purple Confetti Buckaroos Hat

New price: 9-11 keys

[proof below]

SALE #1 = 11 keys

https://backpack.tf/profiles/76561198074789287#!/compare/1496707200/1496793600

http://www.tf2outpost.com/trade/29212689 - B/O 11 keys

Sold for a Galactic Codex Head Full of Hot Air(12 Keys) and ~1 Key in Sweets(13 Keys total)(B/O was 11)

SALE #2 = 9 keys

https://backpack.tf/profiles/76561198048008254#!/compare/1496707200/1496793600

Sold for 9 keys.

SALE #3 = 9 keys

https://backpack.tf/profiles/76561198048008254#!/compare/1496707200/1496793600

Sold for 9 keys.

SALE #4 = 11 keys

https://backpack.tf/profiles/76561198023051867#!/compare/1497657600/1497744000

Sold for 11 keys.

SUMMARY

Sales: 9 / 9 / 11 / 11 keys

Sellers: 10 keys

Basically all credits go to Mindacos.

https://backpack.tf/suggestion/597922dfcf6c7520be6752d7#comment-597a919dcf6c752b80087b36

Going with 9-11 keys.