Roboactive Shooter's Sola Topi (this shit is 4 years outdated)

Sale 1 - Sold for a Burning CounterFeit Billycock = 60 Keys

http://www.tf2outpost.com/trade/29176121 B/o was 60

http://backpack.tf/profiles/76561198190078474#!/compare/1495065600/1495152000

Sale 2 - Sold for a Sunbeams Hotrod ( mini for 55 below) = 55 Keys

http://backpack.tf/profiles/76561198269178506#!/compare/1494460800/1494547200

Mini for hotrod

Sold for 55 Pure

http://backpack.tf/profiles/76561198043936328#!/compare/1495238400/1495324800

Sale 3 - Sold for a Strange Disco Anger (cant find anything that matches in any of these histories, there's a seller for 50, best we got) = 50 Keys

http://www.tf2outpost.com/trade/29174039 B/O of 50

http://backpack.tf/profiles/76561198023221301#!/compare/1494460800/1494547200

http://backpack.tf/profiles/76561198058226909#!/compare/1494460800/1494547200

Looks like 50-60 here.