3 years outdated.

Sale 1: Sold for Strange Professional Killstreak Australium Grenade Launcher[28 keys via mini]+Strange Professional Killstreak Stickybomb Launcher[7 keys via mini]

http://backpack.tf/profiles/76561198212993755/#!/compare/1454745600/1454832000

28+7=35

Sale 2: Sold with multiple hats for Arcana Executioner

http://backpack.tf/profiles/76561198181866915/#!/compare/1457596800/1457683200

Should be used to price the Executioner.

Seller at 30 keys: http://www.tf2outpost.com/trade/27950746

Mini on Grenade Launcher:

Sellers at 28 keys https://gyazo.com/5f50f7fca67965f0d82022aadfb04be6.png

Mini on Stickybomb Launcher:

Seller at 7 keys https://gyazo.com/6c47ac5f47ea7a940532ebb81f4bec10.png

So, I've got a seller at 30 keys, and a sale at 35 keys, I'll make a range of 30-35 keys.