How did I make such a rookie mistake at black belt...

Usable Sales

-Sold for a smoking batter's helm(12 keys, mini is up in the form of a sgt) + ~2 keys in sweets (14 keys total): http://backpack.tf/profiles/76561198052706921#!/compare/1480896000/1480982400

-Sold for 14 keys pure + ~3 keys in sweets (17 keys total): http://backpack.tf/profiles/76561198093585253#!/compare/1473724800/1473984000

-Added 2 keys for a searing stuntman(17 keys, mini is up in the form of a sgt) (15 keys total): http://backpack.tf/profiles/76561198220387288#!/compare/1474243200/1474416000

-Sold for 16 pure: http://backpack.tf/profiles/76561198033497056#!/compare/1474416000/1474502400

-Sold for 14 pure: http://backpack.tf/profiles/76561198178445551#!/compare/1474675200/1474761600

-Sold for 15 pure: http://backpack.tf/profiles/76561198267189538#!/compare/1475193600/1475280000

-Sold for 13 pure: http://backpack.tf/profiles/76561198128191565#!/compare/1478304000/1478390400 , likely a quicksell, quickbuyer for 13 here: http://www.tf2outpost.com/trade/28576647

-Sold for a c9 counter billy(17 keys, mini is up in the form of a sgt) + ~2 keys in sweets (19 keys total, outlier): http://backpack.tf/profiles/76561198073960192#!/compare/1478044800/1478304000

-B/O for above sale caps at 18: http://www.tf2outpost.com/trade/28579861

Unusable Sales

-???: http://backpack.tf/profiles/76561198004517334#!/compare/1474156800/1474243200

-Bulk: http://backpack.tf/profiles/76561198092692658#!/compare/1473552000/1473811200

-Bulk: http://backpack.tf/profiles/76561198026732558#!/compare/1479513600/1480118400

Taking 15-17 thanks to the sales above. Excluding 14 thanks to the quickbuyer at 14 on the classies.