Seems super low.

5 recent sales.

Sale 1:

http://backpack.tf/profiles/76561198135763017#!/compare/1471305600/1471392000

Sold for a PE Peak(400) and a C. Heart Demo Fro(37).

437 total rounding to 440.

Sale 2:

http://backpack.tf/profiles/76561198108511797#!/compare/1468886400/1468972800

Super low outlier?

Not using.

Sale 3:

http://backpack.tf/profiles/76561198042353044#!/compare/1467590400/1467676800

Sold for a BaF Mangler.

No possible mini on the Mangler, not using.

Sale 4:

http://backpack.tf/profiles/76561198042353044#!/compare/1466294400/1466380800

Quicksold for 300 keys pure.

Unusable.

Sale 5:

http://backpack.tf/profiles/76561198086312574#!/compare/1465516800/1465603200

Sold for a Misty Skull Mohawk(365), GE Panama(~45), and a Massed Flies Kabuto(20).

430 total.

GE Panama mini:

http://backpack.tf/profiles/76561198127959513#!/compare/1463788800/1463875200

45 keys.

Credits to Ghost Soldier for this sale/

Rolling with 430-440.