Proof below. Overpay calculated

Sales

http://www.tf2outpost.com/trade/13510250 ---> http://www.tf2outpost.com/trade/13542911 - States he bought it at 11 keys

http://www.tf2outpost.com/trade/13542911 - Not sure what it sold for, but at least 11 keys, went to camel.

http://www.tf2outpost.com/trade/13078232 - P. Fetti Grenadier - 17.55 keys (wut)

http://www.tf2outpost.com/trade/12195749 - Massed Flies Broadband Bonnet (unpriced)

Offers

http://www.tf2outpost.com/trade/13728976 - Rejected 11 keys

http://www.tf2outpost.com/trade/12055660 - Offered 12 keys

http://www.tf2outpost.com/trade/13790723 - 11 keys

http://www.tf2outpost.com/trade/8525326 :

TS Bills + 4 keys - 11 keys

Help / Consturctive Criticisim / Additional Proof / Counter-Proof is ALWAYS welcome! :D