Sale 1

Appears to have sold for 1 bud (12 keys at time) + 20 refined (~15/1key at the time) = 13 keys

Buyers bp before: http://backpack.tf/profiles/76561198113824319?time=1423555200 (February 10th)

Buyers bp after: http://backpack.tf/profiles/76561198113824319?time=1423641600 (February 11th)

Sale 2

http://www.tf2outpost.com/trade/24928434 - 13 keys

Sellers bp before: http://backpack.tf/profiles/76561198104074874?time=1422950400 (February 3rd)

Sellers bp after: http://backpack.tf/profiles/76561198104074874?time=1423036800 (February 4th)

Sale 3

Sold for massed flies batters helm (11-12 keys) plus 1 key and 9 ref = (11.5 * 0.9) + 1.8 = 12 keys

Sellers bp before: http://backpack.tf/profiles/76561198141892875?time=1421568000 (January 18th)

Sellers bp after: http://backpack.tf/profiles/76561198141892875?time=1421654400 (January 19th)

Mini for flies batter's helm:

http://backpack.tf/vote/id/553065ffba8d8847668b5648