Molten Mallard Kiss King

New price: 80-84 keys.

[proof below]

SALE #1 = 84 keys

https://imgur.com/a/XKjGI

Sold for a Blizzardy Storm Coldsnap Cap (86) and 2 keys were added along the Molten Mallard Kiss King. 86 – 2 keys = 84 keys. Credits to Skywolfy!

SALE #2 = 80 keys

http://backpack.tf/profiles/76561198092449612#!/compare/1490832000/1490918400

http://www.tf2outpost.com/trade/28851915 - B/O 80

Sold for a Sunbeams Festive Tree + 0.5 in metal and 7 keys were added along the Kiss King it appears. Going to cap this at the B/O of 80 keys.

SALE #3 = invalid

http://backpack.tf/profiles/76561198143821693#!/compare/1489536000/1489622400

http://backpack.tf/profiles/76561198230663632#!/compare/1489017600/1490140800

Untraceable

SUMMARY

Sales: 80 / 84

Sellers: 125 (4 months)

Going with 80-84 keys here.