The Joy of Winning

https://backpack.tf/item/6266721991

Sale 1) Sold for a Flaming Lantern Brown Bomber (60 Keys)

https://backpack.tf/profiles/76561198078669832#!/compare/1509753600/1509840000 - Buyer's Backpack

Brown Bomber Mini

https://backpack.tf/suggestion/5a2c8341cf6c753f1801d024 - 60 Keys

https://backpack.tf/item/5186020302

Sale 2) Sold for a FN Energy Orb Forest Fire Flame (72 Keys) + ~3 Keys of Items

https://backpack.tf/profiles/76561198204215085#!/compare/1511654400/1511740800

72 + 3 = 75 Keys

Flame Mini

https://backpack.tf/profiles/76561198301015840#!/compare/1512345600/1512432000 - Sold for a FN Energy Orb Lightning Rod Shotgun (63 Keys) + 9 Keys

63 + 9 = 72 Keys

Shotgun Macro

https://backpack.tf/profiles/76561198301015840#!/compare/1512604800/1512691200 - Sold + PE Pugilist's (22.5 Keys) for a PE Charmer's (85 Keys)

85 - 22.5 = 62.5, which rounds to 63 Keys

Pugilist Micro

https://backpack.tf/suggestion/5a2c707944325a1f6f7a2b12 - 22.5 Keys

Charmer's Micro

https://backpack.tf/suggestion/5a2c710644325a4fc112c045 - 85 Keys

http://www.tf2outpost.com/trade/29463935 - Seller at 60 Keys