let me counter the last suggestion.

sale 1 http://backpack.tf/suggestion/5764dc2683de6b34ff5c1fe4 335

polar thought that this was the sale http://backpack.tf/profiles/76561198070143554#!/compare/1467936000/1468022400 thats why he considered it as an outlier, but that is wrong, let me clear that up

sale 2

this was sale two: http://imgur.com/eDnSaAJ the story, why it looks like what polar thinks, can be found in the comments here http://backpack.tf/suggestion/57871aadc44045541e541156

he added a Haunted Ghosts Handyman's Handle (17), a Sunbeams Hard Counter (28 via mini), a Ghastly Ghosts Jr Geisha Boy (28 via mini) and a Energy Orb Pro ks Woodsy Widowmaker SMG (FT) (14) for a Misty Skull Merc's Mohawk (365)

mini for the sunbeams hard counter

http://imgur.com/99TF993 seller at 28 keys, using 28 keys

mini for the Ghastly Ghosts Jr Geisha Boy

http://backpack.tf/profiles/76561198143083316#!/compare/1466121600/1466380800

sold for a Galactic Codex Universal Translator which has sellers at 28, capped at 28

mini for the mohawk: http://backpack.tf/suggestion/57871aadc44045541e541156

365-17-28-28-14=278 rounding to 280

going with 280-335 here