It's too early to be thinking of smart wordplays...

SALES:

http://www.tf2outpost.com/trade/18934814 Sold for Cloudy Moon Crown (5.9)

5.9 * 0.9 = 5.31 (rounding to 5.3)

Histories:

http://www.tf2outpost.com/item/440,2572246791,517,5

http://www.tf2outpost.com/item/440,2519945395,342,5

http://www.tf2outpost.com/trade/18917131 Sold + Aussie Minigun (1.7) + Grandmaster (1.2) for Miami Nights Bonk Boy (8.1)

(8.1 * 0.9) - 2.9 = 4.39 (rounding to 4.4)

Item histories:

http://www.tf2outpost.com/item/440,2572246791,517,5

http://www.tf2outpost.com/item/440,2464540304,202,11

http://www.tf2outpost.com/item/440,2459210751,1067,1

http://www.tf2outpost.com/item/440,2483534729,451,5

Let it ride.