http://www.tf2outpost.com/trade/11086417 - Has 2 untaken offers of 11

http://www.tf2outpost.com/trade/14816140 - Sold for 12, places Grenade at ~11, sold in 1 hour

http://www.tf2outpost.com/trade/14727484 - Has an offer of Orb. Fire Hetman Headpiece (14 - 15, 13 after overpay of mid * 0.9) the parts are originally ~2 keys so Grenade is 11+

http://www.tf2outpost.com/trade/14794968 - Sold for 11 in less than a day

http://www.tf2outpost.com/trade/14798835 - Sold for 11 in less than a day

http://www.tf2outpost.com/trade/14813944 - Sold for 11 in 1 hour

http://www.tf2outpost.com/trade/14468592 - Sold for 12

http://www.tf2outpost.com/trade/14815600 - Sold for 12 within a bump

TONS in sets/have parts, I usually don't like using parts

At moment of posting only 1 at Classifieds below 11