"Heartcore"

Saw a proofless suggestion, so here we go. Sales.

The sales

Sale 1:

Sold for nocraft summer hat (~7) + spec ks festive rocket (~3) + bills (~2) + ks festive scatter (~2) + ks diamond botkiller minigun (~1) + festive knife (~1) + killstreak festive amby (~1) + other sweets (~1)

http://www.tf2outpost.com/trade/27415646

http://backpack.tf/profiles/76561198070474319?time=1447315200 before

http://backpack.tf/profiles/76561198070474319?time=1447401600 after

http://backpack.tf/profiles/76561198070474319?time=1447315200&compare=1447401600

0.9*(7+3+2+2+1+1+1+1) = 16

-> 16 keys

Sale 2:

Sold + buds for dp festive tree

http://backpack.tf/profiles/76561198039381855?time=1447228800&compare=1447315200

can be used for the tree which is 8months outdated

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Sale 3:

No clue what happened here, but I assume it was for csgo

http://www.tf2outpost.com/trade/27403243

http://backpack.tf/profiles/76561198074924284?time=1447056000&compare=1447142400

http://backpack.tf/profiles/76561198039381855?time=1446969600&compare=1447142400

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16 should work here

Constructive criticism welcome!

~Foamy :3