Probably the last one:

Sellers/Unsolds

[url]http://www.tf2outpost.com/trade/26369186[/url] 1.1 keys, 1 week (he got a 1 key offer but didn't accept it)

[url]http://www.tf2outpost.com/trade/26420352[/url] 1.2 keys (bp price), 6 days.

[url]http://www.tf2outpost.com/trade/26450756[/url] 1.2 keys, 3 days, poorly bumped

[url]http://www.tf2outpost.com/trade/26474239[/url] 1.2 keys (bp price), 1 day, young-poorly bumped

Classifieds: `[url]http://imgur.com/z8BzRCx[/url]

Conclusion

- One valid 1.2 key unsold and one valid 1.1 key unsold, so the new price should be 1.1 keys.

Criticism is appreciated!