Nope. No pun. Ugh

SALES:

http://www.tf2outpost.com/trade/22672038 Sold + C9 Jeepcap (1.9) for Aces KE (6.3)

(6.3 * 0.9) - 1.9 = 3.77 (rounding to 3.8)

Histories:

http://www.tf2outpost.com/item/440,3170300253,30037,5

http://www.tf2outpost.com/item/440,2971713426,417,5

http://www.tf2outpost.com/item/440,2985262581,538,5

http://www.tf2outpost.com/trade/22276963 Sold for Showstopper Spirits (Outdated at 3.3, mini at 2.8) + sweets (0.3)

3.1 * 0.9 = 2.79 (rounding to 3.8)

Histories:

http://www.tf2outpost.com/item/440,3170300253,30037,5

http://www.tf2outpost.com/item/440,2974513452,1114,5

Spirits mini:

http://www.tf2outpost.com/trade/22446918 Sold for TerrorWatt YWN (3.4)

3.4 * 0.9 = 3.06 (rounding to 3.1)

Histories:

http://www.tf2outpost.com/item/440,3026188558,1114,5

http://www.tf2outpost.com/item/440,3021111644,600,5

http://www.tf2outpost.com/trade/23697245 B/O of 2.5 (2 days)

Can't trace anything else, using 2.5-3.1.

Let it ride.