I like stars

Let's price this one!

Sale 1)

http://backpack.tf/profiles/76561198048334414#!/compare/1478822400/1478908800

Sold for 16 Pure

Overall this sale = 16

Sale 2)

http://backpack.tf/profiles/76561198115856377#!/compare/1478736000/1478822400

Sold for Stormy Storm Western Wear + Strange Spec KS Rocket + 2 Keys + 1.5 Keys in sweets (Rocket Launcher wasn't included in trade

SSWW -

http://backpack.tf/profiles/76561198115856377#!/compare/1478563200/1478649600

Sold for 13 keys Pure

SSKRL -

http://steamcommunity.com/market/listings/440/Strange%20Specialized%20Killstreak%20Rocket%20Launcher

1.5 Keys

This sale = 18.5

Sale 3)

http://backpack.tf/profiles/76561197995194055#!/compare/1478908800/1478995200

Sold with 34 Keys for Infernal Smoke Taunt: Fresh Brewed Victory

ISTFBV - Cannot Find Sales

http://backpack.tf/item/3809570377 - B/O 45 Keys

This sale = 11 Keys Ouch! Obvious outlier

Sale 4) - No idea too complex

http://backpack.tf/profiles/76561198095902384#!/compare/1478563200/1478649600

Sale 5) - Same too complex

http://backpack.tf/profiles/76561197987020085#!/compare/1478390400/1478476800

Sale 6) -

http://backpack.tf/profiles/76561198116318972#!/compare/1478304000/1478476800

Sold for a Bubbling Professor's Peculiarity

BPP -

http://backpack.tf/suggestion/5816438dc44045665e7e0cdd - 2 Weeks ago for 17-18 keys

This sale = 17.5

Sale 7) - Credits to Pampick

http://backpack.tf/profiles/76561198180456553#!/compare/1478563200/1478908800

Sold for ~14 keys MWW

Energy Orb Specialized Killstreak Low Profile SMG (Well-Worn) + ~11.46 keys

Strange Professional Killstreak Rocket Launcher

EOSKLPSMG (WW) -

http://backpack.tf/profiles/76561198174361109#!/compare/1477699200/1477785600 - 10 keys pure

SPKRL -

http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Rocket%20Launcher

Works out 11 Keys

Overall this sale = 21 Keys

Sales = 16, 18.5, 11, 17.5, 21

11 is an outlier

16 = Low range

16-21 Keys

Thanks =)

For extra conversation check here: https://backpack.tf/suggestion/58283c0386674762bf4fc1a0#comment-5828422fc440451fa62f53bf