Sale 1: Sold together Aussie Spec Ks Frontier Justice (~9) + 3 pure + Collector's Professional Killstreak Holiday Punch (6) for Voltaic Hat Protector Captain Space Mann (87.5) --> 69.5; rounding to 70

https://backpack.tf/profiles/76561198004383856#!/compare/1502236800/1502323200

Sale 2: Sold for Aces High Virtual Viewfinder (80)

https://backpack.tf/profiles/76561198138775395#!/compare/1502064000/1502323200

B/O was 135 http://www.tf2outpost.com/trade/28692403

Sale 3: Untraceable; IDs don't match

https://backpack.tf/profiles/76561198021272428#!/compare/1499817600/1499904000

Sale 4: Sold for Green Confetti Killer Exclusive (75) and ~2.5 keys in items --> 77.5; rounding to 78.

https://backpack.tf/profiles/76561198017911615#!/compare/1498780800/1498867200

Sale 5: Using this on the blast defense

https://backpack.tf/profiles/76561198072932607#!/compare/1498867200/1499212800

Sales at 70, 78 and 80.

Young seller at 50; mature seller at 60 and 80 http://i.imgur.com/x2l3lzZ.png

This is a weird one. Low sellers but high sales. Using 60 as the low end and 80 as high end. So 60-80. Hope this works.