HERE'S THE FINALE!

That's right, i was pricing the Peace Marauder all along!

Sale 1

http://www.tf2outpost.com/trade/26806130 Sold with 3 keys of Festive Weapons for DP Pompadour

Marauder had no trade, presuming offered

B/O for Pompadour was 24

X + 3 = 24

X = 21

Pompadour https://backpack.tf/item/2515736518

Marauder https://backpack.tf/item/1631700376

Festive weapons https://gyazo.com/4329e88c6a7bb8a64e58ed229d99c7a5

Mini for Pompadour

No viable sales found. https://gyazo.com/29dc39e58563933bf86cd6dc880f851d Selling for 25 keys, using 25

Sale 2

[No OP Trade] Sold for Stormy Snaggle + 13 keys + KS Sharp Dresser

I found this though http://www.tf2outpost.com/trade/12150901

X = 13 + 1.5*0.9 + 14*0.9

X = 27

Snaggle https://backpack.tf/item/1026189585

Keys https://gyazo.com/4cb5d39963fcedecd9b939af405430eb http://backpack.tf/profiles/76561198162672690?time=1436511600&compare=1436598000

Mini for Snaggle

https://backpack.tf/vote/id/55e155d6ba8d882a1d8b4665 14 keys, using 14