EVENT SUGGESTION!

Sale 1: https://backpack.tf/profiles/76561198126810226#!/compare/1498867200/1498953600

Sold for a Strange Australium Knife (16 keys)

Sale 2: https://backpack.tf/profiles/76561198141753331#!/compare/1497916800/1498003200 - No sales on Cage, use there.

Sale 3: https://backpack.tf/profiles/76561198095112357#!/compare/1497916800/1498003200

https://backpack.tf/profiles/76561198086827971#!/compare/1497830400/1498003200

Sold with a key in adds for a Clean Stormy Storm Vintage Merryweather (16 keys)

16 - 1 = 15

Sale 4: https://backpack.tf/profiles/76561198086827971#!/compare/1498003200/1498089600 - QS, for 12 pure.

Sale 5: https://backpack.tf/profiles/76561198266614530#!/compare/1498003200/1498089600

https://backpack.tf/profiles/76561198136304855#!/compare/1497830400/1498089600

Sold with 2 keys pure for a Clean Orbiting Fire Fancy Fedora + 0,5 keys in adds. http://i.imgur.com/mXcZgjS.png - Use there.

Sale 6: https://backpack.tf/profiles/76561198136304855#!/compare/1498089600/1498867200 - QS, for 11 pure.

Sale 7: https://backpack.tf/profiles/76561198271428863#!/compare/1498089600/1498176000 - QS, for 12 pure + refs.

Sale 8: https://backpack.tf/profiles/76561198081752665#!/compare/1498176000/1498262400

https://backpack.tf/item/3518377467 - Seems like it sold for Terror-Watt Das Naggenvatcher (18 keys)

Sale 9: https://backpack.tf/profiles/76561198263344996#!/compare/1498348800/1498435200 - QS, for 15 pure.

Sale 10: https://backpack.tf/profiles/76561198253510225#!/compare/1498435200/1498953600

Sold for a Clean Terror-Watt Bomb Beanie (14 keys)

16 sold in 1 day. 15 sold in less than a day. 14 happened at the same time, Beanie was getting a drop. Calling the 15 sale an outlier. If anything, going with a range of 16-18, as it sells for below 18 quite often.