This still seems high, but people really want this hat. :/

———

http://www.tf2outpost.com/trade/25917004

Sold for an Orbiting Fire Milkman (outdated and pretty much a free upgrade)

http://backpack.tf/profiles/76561198117264021?time=1431154800 (May 9th)

http://backpack.tf/profiles/76561198117264021?time=1431241200 (May 10th)

———

Sold with 1 bud (3) + 2 keys for a Mallard Brain Bucket (24.5)

http://backpack.tf/profiles/76561198105467047?time=1431932400 (May 18th)

http://backpack.tf/profiles/76561198105467047?time=1432018800 (May 19th)

Brain Bucket: http://www.tf2outpost.com/trade/25951496

Earbud history: http://backpack.tf/item/92074817

Brain Bucket was likely offered on.

(24.5) - (2 + 3) = 19.5; rounded to 20 keys

———

http://www.tf2outpost.com/trade/25795721

Sold for 15 keys

http://backpack.tf/profiles/76561198059173781?time=1430982000 (May 7th)

http://backpack.tf/profiles/76561198059173781?time=1431068400 (May 8th)

———

http://www.tf2outpost.com/trade/25993989

Sold for a Stormy Dr's Dapper Topper (4 months outdated at 22 keys)

http://backpack.tf/profiles/76561198105467047?time=1432018800 (May 19th)

http://backpack.tf/profiles/76561198105467047?time=1432191600 (May 21st)

———

http://www.tf2outpost.com/trade/25863023

Sold for a Specialized Australium Flamethrower (~18)

http://backpack.tf/profiles/76561198170379090?time=1431068400 (May 8th)

http://backpack.tf/profiles/76561198170379090?time=1431154800 (May 9th)

Australium Flame Thrower: http://www.tf2outpost.com/trade/25898182

18 * 0.9 = 16 keys