Proof below (7 sales).

10 month-old price, overpriced.

Prices used are of time of sale.

Sales:

http://www.tf2outpost.com/trade/14294289

-fez+spy set, bought DBD attendant=4.4 buds taking mid prices

http://www.tf2outpost.com/trade/13943614

-wanted 'quicksell' for 6 buds

-sold for stormy brainiac+2 buds+15 keys =~5.4 buds, seen from bp.tf history

-buds and keys: http://www.tf2outpost.com/trade/14458607

http://www.tf2outpost.com/trade/14273633

-fez+1 bud sold for sulphurous fez=~4.1 buds

http://www.tf2outpost.com/trade/13858911

-b/o 6.5 buds

-sold for time warp cosa+1 bud

http://www.tf2outpost.com/trade/12416549

-ghosts noble seems to have been sold/bought for this fez: http://www.tf2outpost.com/trade/13541331

-4.3 buds

http://www.tf2outpost.com/trade/13401141

-fez+2 keys, bought pe noble=5.2 buds taking mid price

http://www.tf2outpost.com/trade/13306981

-beams drill hat sold/bought for fez+blizzardy reggae+1 bud seen here: http://www.tf2outpost.com/trade/13311626

-4.5 buds taking mid prices

Current trades:

http://www.tf2outpost.com/trade/14697992

-b/o 8 buds

http://www.tf2outpost.com/trade/14496558

-b/o 8 buds

http://www.tf2outpost.com/trade/3357436

-b/o 9 buds, 11 months old

http://www.tf2outpost.com/trade/14734045

-quickselling for 5 buds, 2 days old

http://www.tf2outpost.com/trade/14629831

-quickselling for 5 buds for 1 week

Classifieds:

http://backpack.tf/stats/223/5/8

'Quicksell' for 5 buds, 4 days old.

Priced sales: 4.1, 4.3, 4.4, 4.5, 5.2, 5.4

Time to lower this crazily overpriced hat. All sales are included in the suggested range.