It's dropping!

38 keys pure;

http://backpack.tf/profiles/76561198155122591#!/compare/1491091200/1491523200

http://backpack.tf/profiles/76561198155122591#!/compare/1491091200/1491523200

Sale 2: 45 keys pure

http://backpack.tf/profiles/76561198255644989#!/compare/1491696000/1491782400

Sale 3: Sold for Green Black Hole Brigade Helm (50) together with 6 keys --> 56 keys; B/O was 55 so 55 keys.

http://backpack.tf/profiles/76561198025486280#!/compare/1492300800/1492387200

http://backpack.tf/profiles/76561198087390671#!/compare/1492214400/1492300800

http://www.tf2outpost.com/trade/28879443

Sale 4: Sold for Cloudy Moon Pyro Beanie (38) and 26 ref. --> 39 keys

http://backpack.tf/profiles/76561198299741105#!/compare/1489536000/1489622400

Mini Beanie: Sold for Burning Flames Plug-In Prospector (38)

http://backpack.tf/profiles/76561198079211502#!/compare/1489881600/1489968000

Sale 5: Sold for Circling Heart Berlin Brain Bowl (30 Keys)

http://backpack.tf/profiles/76561198026577539#!/compare/1489536000/1489622400

http://backpack.tf/profiles/76561198040912205#!/compare/1489536000/1489622400

Mini Brain Bowl: Sold for Strange Professional Killstreak Australium Scattergun (30 keys)

http://backpack.tf/profiles/76561198239545120#!/compare/1492041600/1492128000

Sale 6: Bulk

http://backpack.tf/profiles/76561198050494196#!/compare/1488844800/1489276800

--> Sales at 30, 38, 39, 45, 55. Calling 30 & 55 an outlier. Unsold at 53 for 2 months. http://i.imgur.com/gaEIo8B.png

Suggesting range from 38-45