I'd say around this much.

SALES:

http://www.tf2outpost.com/trade/25611218 Sold for GE Hustler's (46.5) + Stormy Merry (Outdated at 25, mini at 22)

(68.5 * 0.9 = 61.65 (rounding to 62)

Histories:

http://backpack.tf/item/3341804625

http://backpack.tf/item/3652120544

http://backpack.tf/item/1315863300

Merry mini:

http://www.tf2outpost.com/trade/25876183 B/O 24, sold on market

http://www.tf2outpost.com/item/440,3761665569,182,5 -> http://www.tf2outpost.com/item/440,3731961257,759,5

Sold for Aces Fruit (22)

Using 22.

Can't trace any other sales. This hat has evidently been given away a lot, so there's a lot of false ''trades'' in the history.

Let it ride.