Selling:

http://imgur.com/a/09SiD - b/o: 19 keys (8 days)

Sold:

http://backpack.tf/profiles/76561198278776274#!/compare/1479772800/1479859200

http://backpack.tf/profiles/76561198193203151#!/compare/1479686400/1479859200 - sold for Dead Presidents Soldered Sensei + sweets = 21 keys

Credits to JoXu

http://backpack.tf/profiles/76561198064950586#!/compare/1479340800/1479427200 - sold with sweets for Tesla Coil Liquidator's Lid + 1 key = 38 keys (outlier)

Credits to JoXu

https://embed.gyazo.com/05fa9ab89957cd7a269b456b25548c8d.png - sold for 18 keys

Credits to Pampick

Mini's:

Dead Presidents Soldered Sensei:

http://www.tf2outpost.com/trade/28624655

http://backpack.tf/profiles/76561198157680604#!/compare/1479772800/1480032000 - sold with sweets for Starstorm Insomnia Wing Mann + Starstorm Insomnia Cranial Carcharodon = 20 keys

Starstorm Insomnia Wing Mann:

http://www.tf2outpost.com/trade/28615950

http://backpack.tf/profiles/76561198136367640#!/compare/1479513600/1479600000 - sold for Blizzardy Storm Ze Goggles = 14 keys b/o

Tesla Coil Liquidator's Lid:

http://backpack.tf/profiles/76561198203307876#!/compare/1477353600/1477440000 - sold for Time Warp Liquidator's Lid = 39 keys