Countering!

Sale # 1 - Sold with 4 keys (Check item histories of the keys past the Grimme) for Strange kritzkrieg = 11 keys

Bp of Seller Before http://backpack.tf/profiles/76561197993505747?time=1431932400

Bp of Seller After http://backpack.tf/profiles/76561197993505747?time=1432063212

Sale # 2 - Sold with 3 keys in items for Terror-Watt Chieftain's Challenge = 15 keys

Bp of Seller Before http://backpack.tf/profiles/76561198003681989?time=1431759600

Bp of Seller After http://backpack.tf/profiles/76561198003681989?time=1431858904

History of Terror-Watt Chieftain's Challenge - http://backpack.tf/item/2208813081

History of Grimme - http://backpack.tf/item/2449373701

Sale # 3 - Sold with a BMOC for Stormy Storm Baron von Havenaplane = 14 keys

Bp of Seller Before http://backpack.tf/profiles/76561198125021096?time=1431500400

Bp of Seller After http://backpack.tf/profiles/76561198125021096?time=1431609886

Sale # 4 - Sold for Disco Beat Down Pugilist's Protector = 17 keys

Bp of Seller Before http://backpack.tf/profiles/76561198074569464?time=1430809200

Bp of Seller After http://backpack.tf/profiles/76561198074569464?time=1430895722

History of Pug - http://backpack.tf/item/1796919406

History of Grimme - http://backpack.tf/item/2449373701

Sale #1 seems very low as well as its not as close to the other prices average areas. So im going to call that an outlier. Final range of 14-17 keys

Mini's

Terror-Watt Chieftain's Challenge - Sold for Aces High Private Eye = 18 keys

Bp of Seller Before http://backpack.tf/profiles/76561198089117386?time=1431586800

Bp of Seller After http://backpack.tf/profiles/76561198089117386?time=1431693872

History of Aces High Private Eye - http://backpack.tf/item/2512750731

History of Cheiftains Challenge - http://backpack.tf/item/2208813081

Stormy Storm Baron von Havenaplane - Sold with 1 keys for Miami Night Engineers Cap = 18 keys

Bp of Seller Before http://backpack.tf/profiles/76561198150272361?time=1430276818

Bp of Seller After http://backpack.tf/profiles/76561198150272361?time=1430290800

Disco Beat Down Pugilist's Protector - Sold for Gifted Terror-Watt Hive Minder = 22 keys

Seller for 19 keys - http://www.tf2outpost.com/trade/26112432 Capping this sale at 19 keys.

History of Hive - http://backpack.tf/item/2135158175

History of Pug - http://backpack.tf/item/1796919406

Any tips or suggestions leave below!

Have an awesome day! :3