Honestly did not expect this to drop.

Sold for a Miami Nights Cadaver's Cranium(10 Keys with Overpay) and an Earbud(~3 Keys at the time)(13 Keys total)

http://backpack.tf/profiles/76561198023702253?time=1434064777 -> http://backpack.tf/profiles/76561198023702253?time=1434092400

http://www.tf2outpost.com/trade/26174222

Sold for a Kill-a-Watt Bombing Run(11 Keys with Overpay)

http://backpack.tf/profiles/76561198023702253?time=1434092400 -> http://backpack.tf/profiles/76561198023702253?time=1434178800

Sold for a Holiday Headcase(10 Keys with Overpay) and ~1 Key in Sweets(11 Keys total)

http://backpack.tf/profiles/76561198133837129?time=1433746800 -> http://backpack.tf/profiles/76561198133837129?time=1433833200

Miami Nights Cadaver's Cranium mini suggestion

Sold with 1 Bud(3 Keys at the time) a Nuts & Bolts Human Cannonball(15 Keys with Overpay)(12 Keys total)

http://backpack.tf/profiles/76561198172573626?time=1434006000 -> http://backpack.tf/profiles/76561198172573626?time=1434092400

http://backpack.tf/profiles/76561198083872093?time=1434006000 -> http://backpack.tf/profiles/76561198083872093?time=1434092400

http://backpack.tf/item/240320447 Earbud History

http://www.tf2outpost.com/trade/26394629 Seller at 11 Keys, young

http://www.tf2outpost.com/trade/26162695 Seller at 11 Keys, actually 3 Months unsold http://www.tf2outpost.com/trade/25569993

http://www.tf2outpost.com/trade/26336760 Seller at 10 Keys, 6 Days unsold

http://www.tf2outpost.com/trade/26357778 Seller at 10 Keys, 4 Days unsold(Was unsold before at 11 for 3 Weeks though http://www.tf2outpost.com/trade/26210891 )

Using 10-12.

Sales seem to fit, 11-13 Keys should be fine.

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