The price is 8 months old and way off (almost twice the price of the DBD one).

[url]http://www.tf2outpost.com/trade/19933194[/url] trade owner bought the hat for a DBD Cranium + Eerie Snaggle (this one got traded away insantly, so there is no record of the seller in the history) 2 weeks ago, (1.8 + 3.8)*0.9 = 5.04

• owner's bp before: [url]http://backpack.tf/profiles/76561198118493189?time=1399446000[/url]
• after: [url]http://backpack.tf/profiles/76561198118493189?time=1399532400[/url]
• other party's bp before: [url]http://backpack.tf/profiles/76561198055066246?time=1399014000[/url]
• after: [url]http://backpack.tf/profiles/76561198055066246?time=1399532400[/url]

[url]http://www.tf2outpost.com/trade/19251777[/url] trade owner bought the hat for a hearts bicorne 1 months ago, 5.4*0.9 = 4.86 (at the time of the trade)

• owners bp before: [url]http://backpack.tf/profiles/76561198096286079?time=1397545200[/url]
• after: [url]http://backpack.tf/profiles/76561198096286079?time=1397631600[/url]
• other party's bp before: [url]http://backpack.tf/profiles/76561198059838394?time=1397545200[/url]
• after: [url]http://backpack.tf/profiles/76561198059838394?time=1397631600[/url]

• [url]http://bazaar.tf/trade/549773[/url] B/O: 5, possibly unsold for 1 month
• [url]http://www.tf2outpost.com/trade/19933194[/url] B/O: 6
• [url]http://www.tf2outpost.com/trade/15154973[/url] B/O: 8, unsold for 7 months
• [url]http://www.tf2outpost.com/trade/17512806[/url] unsold for 3 months, no buyout
• [url]http://www.tf2outpost.com/trade/19251777[/url] unsold for 1 month, no buyout

These proofs and sales were taken into consideration when calculating the range. Any feedback, proofs, counter-proofs, better range suggestion are appreciated and I will act and respond accordingly.