http://backpack.tf/suggestion/582623bf83de6b74ea7434f5

You forgot ur vive mini :p.

Didn't realise there was a suggestion open already, here's what I found:

Sale 1:

Sold for:

Disco Beat Down Crone’s Dome (190)

Pro. KS Aussie Rocket Launcher (57)

DBD Head Warmer (50)

Logo Air Dog (25.5)

Duped ’72 Deep Fried Desire (Couldn’t get mini, going with 25)

Strange Kritzkrieg (11)

Strange Pro. KS Degreaser (7)

Field-Tested Cool Low Profile SMG (Mini at 12 below)

http://www.tf2outpost.com/trade/28467073 - No visible B/O

Seller: http://backpack.tf/profiles/76561198030050182#!/compare/1476835200/1476921600

Buyer: http://backpack.tf/profiles/76561198030039729#!/compare/1476835200/1476921600

X = 377.5

Rounding to 380

Sale 2:

Sold for Two Duped Stare from Beyond Dapper Toppers (286) + DBD Hong Kong Cone (185)

http://www.tf2outpost.com/trade/28485478 - B/O of 350

Seller: http://backpack.tf/profiles/76561198125791160#!/compare/1474070400/1474156800

Buyer: http://backpack.tf/profiles/76561198137862353#!/compare/1474070400/1474156800

http://prntscr.com/ck8upl - Credit to DedAndrei

X = 350 (capped by B/O)

Sale 3:

Sold for Poisoned Shadows Anger (Mini at 235 below) + Searing Neckwear (115)

No outpost

Seller: http://backpack.tf/profiles/76561198137862353#!/compare/1474070400/1474156800

Buyer: http://backpack.tf/profiles/76561198040489983#!/compare/1474070400/1474156800

X = 350

Sale 4:

Sold with Dead Presidents Runner’s Warm Up (Mini at 22 below) + Strange Pro. KS Neon Annihilator (2) for Burning Fed Fighting Fedora (Mini at 185 below) + Flies Crone’s Dome (160)

No outpost

Seller: http://backpack.tf/profiles/76561198086605050#!/compare/1474416000/1474502400

Buyer: http://backpack.tf/profiles/76561198086605050#!/compare/1474416000/1474502400

X = 321

Rounding to 320

Sale 5:

Sold for Electric Hat Protector Captain Space Mann (135) + Ancient Eldritch Prehistoric Pullover (170)

No outpost

Seller: http://backpack.tf/profiles/76561198175249965#!/compare/1476576000/1476662400

Buyer: http://backpack.tf/profiles/76561198104979324#!/compare/1476230400/1476662400

X = 305

Sale 6:

Sold with 44 keys + 24 keys in items for Green Energy Team Captain (400)

http://www.tf2outpost.com/trade/28548221 - B/O of 300

Seller: http://backpack.tf/profiles/76561198104979324#!/compare/1477094400/1477180800

Buyer: http://backpack.tf/profiles/76561198027768238#!/compare/1477094400/1477180800

X = 300 (Capped by B/O)

Sale 7:

Sold for Terror-Watt Team Captain (100) + Time Warp Company Man (Mini at 173 below)

http://www.tf2outpost.com/trade/28376749 - B/O of 300

Seller: http://backpack.tf/profiles/76561198000637572#!/compare/1472342400/1472428800

Buyer: http://backpack.tf/profiles/76561198125791160#!/compare/1472342400/1472428800

X = 273

Rounding to 275

Sale 8:

Sold with Electrostatic Dapper Topper (42.5) for Logo Well Wrapped Hat (107) + Stormy 13th Human Cannonball (185) + Subatomic Head Full of Hot Air (20)

No outpost

Seller: http://backpack.tf/profiles/76561198102772694#!/compare/1472774400/1472860800

Buyer: http://backpack.tf/profiles/76561198086605050#!/compare/1472774400/1472860800

X + 42.5 = 312

X = 270

Sale 9:

Sold for Vivid Vive La France (245) + Blizzardy Mining Light (26)

http://www.tf2outpost.com/trade/28531135 - No B/O

Seller: http://backpack.tf/profiles/76561198069493147#!/compare/1476403200/1476489600

Buyer: http://backpack.tf/profiles/76561198175249965#!/compare/1476403200/1476489600

X = 271

Rounding to 270

Sale 10: (Dupe)

Sold with ~4 keys in Strange Cosmetics for Morning Glory Hong Kong Cone (262.5) + 2 keys

No outpost

Seller: http://backpack.tf/profiles/76561198277477109#!/compare/1478217600/1478304000

Buyer: http://backpack.tf/profiles/76561198031476026#!/compare/1478217600/1478304000

X = 260

Sale 11: (Dupe)

Sold with 25 keys for Duped Burning Modest (Mini at 282.5 below)

No outpost

Seller: http://backpack.tf/profiles/76561198031476026#!/compare/1478217600/1478304000

Buyer: http://backpack.tf/profiles/76561198125791160#!/compare/1478217600/1478304000

X = 257.5

Rounding to 260

Dapper was updated with a dupe sale, so using its current value should be fine here

Sale 12:

Sold for Circling Heart Modest (195) + Disco Beat Down Vintage Tyrolean (50) + 5 keys in Strange Pro. KS items

http://www.tf2outpost.com/trade/28496648 - No B/O

Seller: http://backpack.tf/profiles/76561198040489983#!/compare/1474243200/1474329600

Buyer: http://backpack.tf/profiles/76561198142360538#!/compare/1474243200/1474329600

X = 250

Sale 13: (Dupe)

Sold for Circling Heart Muffs (197.5) + 30 keys

Seller: http://backpack.tf/profiles/76561198027062821#!/compare/1479600000/1479686400

Buyer: http://backpack.tf/profiles/76561198156573550#!/compare/1479686400/1479772800

X = 227.5

Rounding to 230

Sale 14: (Dupe)

Bulk for Scorching Gibus

Seller: http://backpack.tf/profiles/76561198125791160#!/compare/1478736000/1478822400

Buyer: http://backpack.tf/profiles/76561198086793593#!/compare/1478736000/1478822400

Sale 15:

Sold with Duped Blizzardy Bonk Boy for Duped Morning Glory Brotherhood of Arms + 15 keys

Seller: http://backpack.tf/profiles/76561198015271694#!/compare/1472515200/1472601600

Buyer: http://backpack.tf/profiles/76561198030050182#!/compare/1472515200/1472601600

Was used to update the Brotherhood of Arms

Low Profile Mini:

Sold for 12 keys

No outpost

Seller: http://backpack.tf/profiles/76561198143558434#!/compare/1476230400/1476316800

Buyer: http://backpack.tf/profiles/76561198018101085#!/compare/1476230400/1476316800

X = 12

Dead Presidents Runner’s Warm Up Mini:

Sold for Smoking Towering Pillar of Hats (Mini at 21.5 below)

http://www.tf2outpost.com/trade/28604859 - B/O of 22

Seller: http://backpack.tf/profiles/76561198135452478#!/compare/1478908800/1479081600

Buyer: http://backpack.tf/profiles/76561198043806938#!/compare/1478995200/1479081600

X = 22

Burning Fed Fighting Fedora Mini:

http://backpack.tf/suggestion/5836ae8f86674722bf10727e

Smoking Pillar Mini:

http://backpack.tf/suggestion/582f16c383de6b7dd77b73c7

Time Warp Company Man Mini:

Sold for Peace Sign Brown Bomber (Mini at 68 below) + Stormy Storm Brown Bomber (40) + Cloud 9 Well Rounded Rifleman (65)

http://www.tf2outpost.com/trade/28353307 - B/O of 180

Seller: http://backpack.tf/profiles/76561198090956917#!/compare/1473120000/1473206400

Buyer: http://backpack.tf/profiles/76561198009245890#!/compare/1472947200/1473206400

X = 173

Peace Sign Brown Bomber Mini:

Sold for 68 keys

http://www.tf2outpost.com/trade/28533364 - B/O of 70, re-listed multiple times over 5 months, gradually decreasing the price overtime

Seller: http://backpack.tf/profiles/76561198067575136#!/compare/1475971200/1476057600

Buyer: http://backpack.tf/profiles/76561198071552936#!/compare/1475971200/1476057600

X = 68

Duped Burning Modest Mini:

Sold for Nebula Phononaut (265) + ~25 keys in elite skins + 5 keys

http://www.tf2outpost.com/trade/28618950 - No B/O

Seller: http://backpack.tf/profiles/76561198025560677#!/compare/1479513600/1479600000

Buyer: http://backpack.tf/profiles/76561198086793593#!/compare/1479513600/1479600000

X = 295

And a few sellers for less:

270 keys:

http://i.imgur.com/2WtHxQs.png

http://backpack.tf/u/76561198047433991

290 keys

http://i.imgur.com/8HtYXfE.png

http://backpack.tf/u/76561198012613726

Going with 270-295 (282.5) for this

Sellers:

200 keys:

http://i.imgur.com/3aBIT2N.png

http://backpack.tf/u/76561198027768238

330 keys:

http://www.tf2outpost.com/trade/28622106 - 2 days, duped

http://backpack.tf/u/76561198090457223

350 keys:

http://i.imgur.com/McS0SlE.png - 2 months

http://backpack.tf/u/76561197998374145

http://www.tf2outpost.com/trade/28502349

Offers:

http://www.tf2outpost.com/trade/28324718

http://backpack.tf/u/76561198068789249

http://www.tf2outpost.com/trade/28498993

http://backpack.tf/u/76561198061506886

Sales at:

380

350 (2x)

320

305

300

275

270 (2x)

260 (2x, both duped)

250

230 (duped)

270-350 would probably work here