Creds to Randy for whole suggestion:

https://backpack.tf/profiles/76561198112281935#!/compare/1511222400/1511308800

Sandstorm Salty Dog (52) + 6 keys = 58 keys

Salty mini

https://backpack.tf/profiles/76561198058431653#!/compare/1512691200/1513123200

Sold for a Strange Specialized Killstreak Australium Flame Thrower (19) + Strange Ghastlierest Gibus (~17) + 2 Key taunt + 14 Keys = 52 Keys

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https://backpack.tf/profiles/76561198145843391#!/compare/1513123200/1513296000

Sold with ~1 key worth of stuff for a Beams Softcap (62) + Gotten Gains RPS Taunt (20) = 81 Keys

https://backpack.tf/profiles/76561198385727483#!/compare/1512000000/1512086400

Sold for a GBH Bolted Birdcage (29) + Sulph Plug In Prospector (Cant find a valid sale, all bulk or super low, taking classies seller for 19: https://i.imgur.com/X2bPPHO.png ) + 3 Keys = 51 Keys

Rest of trash/unusable sales:

https://backpack.tf/suggestion/5a25930e44325a2ae05ab71e