SALES:

http://www.tf2outpost.com/trade/19390243 Sold for Miami Slick (2.8)

2.8 * 0.9 = 2.52 (rounding to 2.5)

Histories:

http://www.tf2outpost.com/item/440,2573643433,303,5

http://www.tf2outpost.com/item/440,2573643426,30187,5

http://www.tf2outpost.com/trade/18991400 Sold for MemLeak Grimm (Unpriced, mini at 2.8)

2.8 * 0.9 = 2.52 (rounding to 2.5)

Histories:

http://www.tf2outpost.com/item/440,2573643433,303,5

http://www.tf2outpost.com/item/440,2493511413,383,5

Grimm mini:

http://www.tf2outpost.com/trade/19155811 Sold for Eerie Bucket (~2.9) + sweets (~0.2)

3.1 * 0.9 = 2.81 (2.8)

Histories:

http://www.tf2outpost.com/item/440,2493511413,383,5

http://www.tf2outpost.com/item/440,2542407746,303,5

http://www.tf2outpost.com/item/440,2542407716,1016,6

Only in-date sale on the only one I can find. Using 2.8.

Flat price. Let it ride.