Hell of a drop, I must say.

Sold for a Kill-a-Watt Dr's Dapper Topper

http://backpack.tf/profiles/76561198095533997#!/compare/1490918400/1491004800

Better used for the Dapper, supports the range however.

Sold for an Orbiting Planets Brown Bomber(21.5 Keys, round to 22) and 30 Keys(52 Keys total)

http://backpack.tf/profiles/76561198095533997#!/compare/1490745600/1490832000

Sold for 42 Keys

http://backpack.tf/profiles/76561198112281935#!/compare/1491609600/14917824000

Sold for a Circling TF Logo Boxcar Bomber(67.5 Keys, Outlier)

http://backpack.tf/profiles/76561198084205929#!/compare/1491696000/1491868800

DUPED SALES

Sold for a Misty Skull Pyro's Beanie(35 Keys) and ~15 Keys in Sweets(50 Keys total)

http://backpack.tf/profiles/76561197998161567#!/compare/1490745600/1490832000

Sold for a Scorching Flames Shooter's Tin Topi(42.5 Keys) and ~1.5 Keys in Sweets(44 Keys total)

http://backpack.tf/profiles/76561198056323034#!/compare/1490832000/1491004800

42-52.

Credits to Mindacos for finding the proof. All I did was make the actual suggestion.