Fix.

Sale 1: https://backpack.tf/profiles/76561197961172123#!/compare/1495670400/1495756800

Sold for 288 pure + a Clean Frostbite Slo-Poke (85 keys) + a Clean Cool Killstreak Aqua Marine Rocket Launcher (Minimal Wear) (50 keys) + a Clean Infernal Flames Taunt: Skullcracker (49 keys) + a Strange Professional Killstreak Australium Sniper Rifle (31 keys) + 35 in adds

288 + 85 + 50 + 49 + 31 + 35 = 538

2 sellers for the RL at 50: http://i.imgur.com/xK4KPrr.png

ADDITINAL PROOF BY WOIFY:

https://backpack.tf/suggestion/5914f127e3387747542f9b5d - has more sales - look below

https://backpack.tf/profiles/76561198055063451#!/compare/1493251200/1493596800 - http://www.tf2outpost.com/trade/28897115 + http://www.tf2outpost.com/trade/28846455 - capped at 500 keys

https://backpack.tf/profiles/76561198128173177#!/compare/1493510400/1493683200 - was used on the hazmat: https://backpack.tf/suggestion/5938cd290e2cad5b553506e5

https://backpack.tf/profiles/76561198200837735#!/compare/1492041600/1492128000 - sold with a scorching bandana for a beams beak + beams anger, that sale is gonna be 300-375 keys, depending on the outcome of the anger suggestion, probably an outlier

So I would go with 500-540 for here now.

500-540 it is!