An easy one once in a while.

Sale 1

Sold for 19 keys

http://backpack.tf/profiles/76561198172913134#!/compare/1471910400/1472083200

No Outpost trade

=======> 19 keys

======================================================

Sale 2

Sold for a Green Confetti A Hat to Kill For (20.5)

http://backpack.tf/profiles/76561198042938501#!/compare/1470700800/1470787200

http://www.tf2outpost.com/trade/28354166 ----- B/O was 18 keys

=======> Capped at 18 keys

======================================================

Sellers

- No sellers at the time.

Summary

- Sales for 18 and 19.

Going with 18-19 keys. Criticism appreciated!