I remember this hat being recently released, has it really been 2 Years already? Time flies.

Sold with ~4 Keys in Sweets for a Duped Terror-Watt Lucky Shot(24 Keys with Overpay(*.8) )(20 Keys total)

http://backpack.tf/profiles/76561198077218597?time=1433744802 -> http://backpack.tf/profiles/76561198077218597?time=1433746800

Sold for an Australium Ambassador(14 Keys with Overpay at the time) and ~1 Key in Sweets(15 Keys total)

http://backpack.tf/profiles/76561198203296704?time=1432018800 -> http://backpack.tf/profiles/76561198203296704?time=1432105200

Added 7 Keys and a Brotherhood of Arms(~0.5) for a Circling TF Logo German Gonzila(17.5 Keys) and a Strange Festive Pro KS Crusader's Crossbow(7 Keys)(Offered)(17 Keys total)

http://backpack.tf/profiles/76561198059337017?time=1431822001 -> http://backpack.tf/profiles/76561198059337017?time=1431932400

http://www.tf2outpost.com/trade/25965604

Sold for 22 Keys*

http://backpack.tf/profiles/76561198025132482?time=1435241691 -> http://backpack.tf/profiles/76561198025132482?time=1435388400

* = Histories don't match because Ooogy Boogy got 20 of the 22 Keys by selling his Gifted Cauldron Bubbles Tough Guy's Toque to Dummins:

http://backpack.tf/profiles/76561198199285413?time=1434977039 -> http://backpack.tf/profiles/76561198199285413?time=1435388400

Also ids match so there's that too.

Strange Festive Pro KS Crusader's Crossbow mini suggestion

All recent sales on the SCM(Keys = $2.49): http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Festive%20Crusader%27s%20Crossbow

$17.25

$21.50

$23.00

$15.88

$20.36

$8.05

$16.10

$22.08

$22.08

$21.23

$23.00

$11.51

$17.02

$16.96

$10.72

$15.88

$15.34

$15.34

$14.88

$16.00

The average comes out at $17.20(Roughly 7 Keys)

Sales seem to fit, 15-22 Keys should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.