Selling:

http://www.tf2outpost.com/trade/28169912 - b/o: 26 keys (1 week)

http://www.tf2outpost.com/trade/28192416 - b/o: 30 keys (3 days)

http://www.tf2outpost.com/trade/28200026 - b/o: 25 keys (11 hours)

http://www.tf2outpost.com/trade/28160669 - b/o: 27 keys (1 week)

Sold:

http://backpack.tf/profiles/76561198078886271#!/compare/1460937600/1461110400 - sold with Strange Specialized Killstreak Australium Stickybomb Launcher + Strange Specialized Killstreak Australium Grenade Launcher + Strange Specialized Killstreak Australium Eyelander for Skill Gotten Gains Taunt: Buy A Life + sweets = 23 keys

http://www.tf2outpost.com/trade/28069456

http://backpack.tf/profiles/76561198112612121#!/compare/1460678400/1460764800 - sold for 27 keys

http://www.tf2outpost.com/trade/28010838

http://backpack.tf/profiles/76561198056793444#!/compare/1459555200/1459641600

http://backpack.tf/profiles/76561198112612121#!/compare/1459555200/1459728000 - sold for Pro KS Grenade & Rocket Launcer + strange Merc Pride Scarf = 25 keys

http://www.tf2outpost.com/trade/27999245 - sold for 29 keys + 7 keys in items = 36 keys (outlier)

Mini's:

Skill Gotten Gains Taunt: Buy A Life:

http://backpack.tf/profiles/76561198078886271#!/compare/1463529600/1463616000 - sold with 11 keys + Strange Australium Wrench for Sunbeams Towering Pillar of Hats = 122 keys