A range is fine too.

Sold for a Cloud 9 Hetman's Headpiece(15 Keys) and a C.A.P.P.E.R(~2 Keys)(17 Keys total)

http://backpack.tf/profiles/76561198093756468/#!/compare/1457424000/1457510400

Sold for an Aces High Spec KS Conquistador(16 Keys) and ~3 Keys in Sweets(19 Keys total)(Credits to Markos_WSK for the sale!)

https://gyazo.com/702e8c3258341f566257db9f06768db8 https://gyazo.com/e5302e42cc7c7f70d848fab638fc9e63

Aces High Spec KS Conquistador mini suggestion

Sold with ~2 Keys in Sweets for a Dead Presidents Head Warmer(18 Keys)(16 Keys total)(Credits to Markos_WSK for the sale!)

https://gyazo.com/b7ef062a4272827767ac6c4be73f15dd

Using 16.

Dead Presidents Head Warmer mini suggestion

Sold for 18 Keys(Credits to Markos_WSK for the sale!)

https://gyazo.com/0cf730a9dffc811406d1f456db6eae00

Using 18.

Two sales, 17-19 Keys should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.