One down, 15+ to go.

Added 1 Key for a Stormy Storm Charmer's Chapeau(24 Keys with Overpay)(23 Keys total)

http://backpack.tf/profiles/76561198217449256?time=1441177200 (September 2nd)

http://backpack.tf/profiles/76561198217449256?time=1441263600 (September 3rd)

http://www.tf2outpost.com/trade/26908061

Sold for a Frostbite Plumber's Pipe(18 Keys with Overpay) and ~2 Keys in Sweets(20 Keys total)

http://backpack.tf/profiles/76561198105036237?time=1441436400 (September 5th)

http://backpack.tf/profiles/76561198105036237?time=1441522800 (September 6th)

http://www.tf2outpost.com/trade/26947124

Sold for a Demonflame Handyman's Handle(22 Keys with Overpay)

http://backpack.tf/profiles/76561198067002150?time=1441954800 (September 11th)

http://backpack.tf/profiles/76561198067002150?time=1442127600 (September 13th)

Sold for 20 Keys

http://backpack.tf/profiles/76561198135847846?time=1442214000 (September 14th)

http://backpack.tf/profiles/76561198135847846?time=1442300400 (September 15th)

Sold for 22 Keys

http://backpack.tf/profiles/76561198091632624?time=1445238000 (October 19th)

http://backpack.tf/profiles/76561198091632624?time=1445410800 (October 21st)

http://backpack.tf/profiles/76561198133708974?time=1445324400 (October 20th)

http://backpack.tf/profiles/76561198133708974?time=1445410800 (October 21st)

Sold for 22 Keys

http://backpack.tf/profiles/76561197971800102?time=1442991600 (September 23rd)

http://backpack.tf/profiles/76561197971800102?time=1443337200 (September 27th)

Sold for 17 Keys and ~5 Keys in Sweets(22 Keys total)

http://backpack.tf/profiles/76561198100461498?time=1445670000 (October 24th)

http://backpack.tf/profiles/76561198100461498?time=1445756400 (October 25th)

http://www.tf2outpost.com/trade/27273784

Sold for 20-23 Keys?(Most histories don't match)

http://backpack.tf/profiles/76561198036457774?time=1447142400 (November 10th)

http://backpack.tf/profiles/76561198036457774?time=1447228800 (November 11th)

Sales seem to fit, 20-23 Keys should be fine.

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