Classifieds: http://backpack.tf/classifieds?item=Magnificent%20Mongolian&quality=5&tradable=1&craftable=1&australium=-1&particle=85&killstreak_tier=0

Screenshot(s) of Classifieds:

http://imgur.com/JWdrE05

<Sellers>

40 keys | http://backpack.tf/item/3133653634 | http://backpack.tf/u/76561198018101085 | http://www.tf2outpost.com/trade/28868074 | Listed 12 days ago [Bumped]

Sold:

http://www.tf2outpost.com/trade/28791245

http://backpack.tf/profiles/76561198113083770#!/compare/1488499200/1488672000 - sold for Memory Leak Pure Tin Capotain and ~5 Keys in Sweets = 20 keys b/o (outlier)

Credits to Mindacos

http://www.tf2outpost.com/trade/28816549

http://backpack.tf/profiles/76561198213440243#!/compare/1488672000/1488758400 - sold for Green Energy Counterfeit Billycock = 26 keys b/o

Credits to Mindacos

http://backpack.tf/profiles/76561198080179568#!/compare/1489622400/1489708800 - sold for '72 Taunt: Deep Fried Desire and 3 Keys = 25 keys

Credits to Mindacos

http://backpack.tf/profiles/76561198155183519#!/compare/1489795200/1490054400 - sold for Sunbeams Hard Counter = 28 keys

Credits to Mindacos

http://www.tf2outpost.com/trade/28841083

http://backpack.tf/profiles/76561198109885142#!/compare/1490054400/1490227200 - sold with ~3 Keys in Sweets for a Haunted Ghosts Engineer's Cap = 27 keys b/o

Credits to Mindacos

Mini's:

Haunted Ghosts Engineer's Cap:

http://backpack.tf/profiles/76561198117095526#!/compare/1488844800/1488931200 - sold with 1 key + sweets for Ether Trail Smokey Sombrero = 35 keys