As someone who's trying to sell this hat, it definitely needs to drop.

Sold for a Bubbling El Jefe(15 Keys with Overpay)

http://backpack.tf/profiles/76561197994217357?time=1436079600 (July 5th)

http://backpack.tf/profiles/76561197994217357?time=1436166000 (July 6th)

Sold for an Orbiting Planets Milkman(13 Keys with Overpay) and ~4 Keys in Sweets(17 Keys total)

http://backpack.tf/profiles/76561198098463950?time=1440140400 (August 21st)

http://backpack.tf/profiles/76561198098463950?time=1440226800 (August 22nd)

Sold for a Terror-Watt Armored Authority(18 Keys with Overpay)

http://backpack.tf/profiles/76561198011480273?time=1438498800 (August 2nd)

http://backpack.tf/profiles/76561198011480273?time=1438930800 (August 7th)

Sold for a Miami Nights Bot Dogger(15 Keys with Overpay)

http://backpack.tf/profiles/76561197967966300?time=1439881200 (August 18th)

http://backpack.tf/profiles/76561197967966300?time=1440054000 (August 20th)

Sales seem to fit, 15-18 Keys should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.