Darn, thought it was already updated.

Sale 1: Sold for Smoking Authority[15 keys]+1 key

http://backpack.tf/profiles/76561198202821374/#!/compare/1458025200/1458111600

15+1=16 keys

Sale 2: Can't track it, histories don't match.

http://backpack.tf/profiles/76561198202821374/#!/compare/1458111600/1458284400

http://backpack.tf/profiles/76561198065060868/#!/compare/1458198000/1458284400

Sale 3: Sold with a Blizzardy Storm Ballcap for Strange Aces High Anger

http://backpack.tf/profiles/76561198147149994/#!/compare/1457078400/1457164800

Better to update the Anger with this.

Sale 4: Can't track this either, looks like SCM, but not sure

http://backpack.tf/profiles/76561198008561115/#!/compare/1455177600/1457424000

Seller

http://www.tf2outpost.com/trade/27969338 15 keys for 1 week

So I have a sale at 16, and a seller at 15. Making this a range of 15-16 keys.