Unpriced.

Sale #1 = 60 keys

https://backpack.tf/profiles/76561198061489334#!/compare/1514851200/1515024000

Cauldron Bubbles Officer's Ushanka (40) + Haunted Phantasm Jr Grenadier's Softcap (38) + ~2 keys in sweets = 80

B/O of 60 keys - https://i.imgur.com/GO9uOT0.png

caps at 60

Sale #2 = not using

https://backpack.tf/profiles/76561198109756155#!/compare/1512864000/1512950400

Bulk

Sale #3 = not using

https://backpack.tf/profiles/76561198061489334#!/compare/1514160000/1514246400

25 keys pure.

The seller (a friend) contacted me the day of the sale saying he needed to quicksell it in order to buy an unusual he wanted. Even if this isn't considered a quicksale, I think it is clear it is a low outlier.

Final price = 60 keys