Correcting Sale 5. Thanks, Sprekt.

http://backpack.tf/item/510196896

Sale 1) Quicksold for 57 Keys

http://backpack.tf/profiles/76561198049884052#!/compare/1484611200/1484697600

Sale 2) Sold for 59 Keys

http://backpack.tf/profiles/76561198170103838#!/compare/1484697600/1484870400

Rounding to 60 Keys.

Sale 3) Sold for 56 Keys

http://backpack.tf/profiles/76561198002757046#!/compare/1484870400/1484956800

Counting this Sale low due to Sale 1 being a quicksale, but this supports the low end.

Sale 4) Sold for a Green Black Hole Connoisseur's Cap (50 Keys) + Stormy Storm Prancer's Pride (11 Keys) + 11 Keys

http://backpack.tf/profiles/76561198153088409#!/compare/1489795200/1489881600

50 + 11 + 11 = 72 Keys

Connoisseur's Cap Mini

Sold for an Australium Sniper Rifle (25 Keys) + Blizzardy Storm Hottie's Hoodie (18 Keys) + 5 Keys + ~2 Keys of Itms

http://backpack.tf/profiles/76561198061464918#!/compare/1488672000/1488758400

Prancer's Mini

http://backpack.tf/profiles/76561198166581172#!/compare/1488326400/1488412800 - Sold for 11 Keys

http://backpack.tf/profiles/76561198065156103#!/compare/1488758400/1488931200 - Sold for 11 Keys

Sale 5) Sold + 8 Keys for a Cloud 9 Hong Kong Cone (80 Keys)

http://backpack.tf/profiles/76561198267189538#!/compare/1490400000/1490486400

80 - 8 = 72 Keys