Well, if I re-suggest one, it's best to do the other.

Only usable sale.

Sale 1: Sold for Bubbling Master's Yellow Belt[15.5 keys via mini]+ Specialized Killstreak Purple Range Sniper Rifle (Field-Tested)[4 keys via mini]+Strange Airwolf Sniper Rifle (Field-Tested)[3 keys via mini]

http://backpack.tf/profiles/76561197997915710/#!/compare/1455868800/1456041600

15.5+4+3=22.5 rounding to 23 keys

Mini on Yellow Belt: http://backpack.tf/vote/id/5709de6f83de6b317d17b4b2

Mini on Purple Range Sniper Rifle:

Seller at 4 keys https://gyazo.com/338fc485a56764077972e12839134fef

Mini on Airwolf Sniper Rifle: https://gyazo.com/24120b32fca47099a4f91cddb6a689c1.png

I have a sale at 23, making this 23 keys flat.