Sale 1)

sold for ge noir + ~7 keys in sweets

http://backpack.tf/profiles/76561198193582843?time=1447228800 (November 11th)

http://backpack.tf/profiles/76561198193582843?time=1447315200 (November 12th)

.9*(40 + 7)

~42 keys

Mini on noir

Taking 40 from https://backpack.tf/vote/id/563fa932b98d88403ce94b10 (comments clear this up)

Sale 2)

Sold for spec. ks aussie sniper

http://backpack.tf/profiles/76561198130408374?time=1447401600 (November 13th)

http://backpack.tf/profiles/76561198130408374?time=1447488000 (November 14th)

outlier, very low considering pure sale

Sale 3)

Sold for 49 keys pure

http://backpack.tf/profiles/76561198076925052?time=1446969600 (November 8th)

http://backpack.tf/profiles/76561198076925052?time=1447574400 (November 15th)

http://www.tf2outpost.com/trade/26585699

pretty clear that the other guy bought the keys for the trade without updating his bp

Sale 4)

Sold for ?

http://backpack.tf/profiles/76561198103940920?time=1448006400 (November 20th)

http://backpack.tf/profiles/76561198103940920?time=1448265600 (November 23rd)

Current seller: http://www.tf2outpost.com/trade/27440089 55 keys

Taking 42-49 keys