Sold for 3 pure (the only legit sale after the last suggestion):

http://www.tf2outpost.com/trade/14578458

The only other sale was with a g.fetti veil. Which I then stole copied this from KaushuMan's suggestion of the veil:

http://www.tf2outpost.com/trade/14128952 added a purple confetti ywnn(resold for 3 pure) for p fetti tyrolean(resold for 1.8 pure) + g fetti lucha(outdated, recent sale at ~2) + g fetti phantom(resold for ~2.5 pure today) +2 pure + salvaged crate 30

basically x + 3 = 1.8+2+2.5+2+1.5

x +3 = 9.8, x = 6.8