Re-suggesting.

http://www.tf2outpost.com/trade/23953861 - Sold a Steaming Sack for A P. Fetti Mongolian, had a b/o of 10 on the sack.

http://www.tf2outpost.com/trade/23709970 - Sold for 8 keys + Buy a Life + Genuine Shred Alert + Ranch Relaxo + Deep Fried Desire + High-Five + Oblooterated (~2 keys) (~10 keys)

http://www.tf2outpost.com/trade/23632551 - Sold for 9 keys + Strange Ambassador w/ Crit Kills (~1 key) (~10 keys)

http://i.gyazo.com/ef86e83d4a32641ee3ea7b9945f47a91.png - "11 keys as well" - Polar

http://www.tf2outpost.com/trade/23278019 - "this is that sale for the bubbling hwah. that's outdated, but the sale wouldn't be valued more than the b/o of 11 anyways. Seems to sell pretty easily at 11, so 11 should be in the range." - Polar