The Heralding Angels

https://backpack.tf/item/5704843386

Sale 1) Sold for a Dead Presidents Crown of the Old Kingdom + Circling Peace Sign Airdog

https://backpack.tf/profiles/76561198071041124#!/compare/1507852800/1507939200

http://www.tf2outpost.com/trade/29377372 - Capped by the Buyout of 52 Keys

Sale 2) Sold for a Stare From Beyond Hermes (63.5 Keys)

https://backpack.tf/profiles/76561198071041124#!/compare/1508025600/1508198400

Rounds to 64 Keys

Hermes Mini

https://backpack.tf/suggestion/5a2cbc6444325a64552c5c78 - 63.5 Keys

Sale 3) Bulk Sale for a Harvest Moon Brainiac Hairpiece

https://backpack.tf/profiles/76561198168863803#!/compare/1508371200/1508457600

Sale 4) Sold for 47 Keys

https://backpack.tf/profiles/76561198002757046#!/compare/1510531200/1510617600

Sale 5) Sold for 39 Keys + ~5 Keys of Refined

https://backpack.tf/profiles/76561198167888146#!/compare/1512172800/1512345600 - Buyer's Backpack

39 + 5 = 44 Keys