Classifieds:

http://backpack.tf/classifieds/search/Genuine%20Lacking%20Moral%20Fiber%20Mask

-2 at 1.1 keys

-1 at 1.2 keys

Unsold for Current High Price (1.2 keys):

http://www.tf2outpost.com/trade/11395267 - 3 weeks

http://www.tf2outpost.com/trade/11514884 - 2 weeks

http://www.tf2outpost.com/trade/11419139 - 2 weeks

http://www.tf2outpost.com/trade/11839502 - 5 days

http://www.tf2outpost.com/trade/11865093 - 4 days

http://www.tf2outpost.com/trade/11929567 - 2 days

http://www.tf2outpost.com/trade/11972385 - 1 day

http://www.tf2outpost.com/trade/11978185 - 1 day

http://www.tf2outpost.com/trade/11997628 - 13 hours

Unsold for Current Low Price (1.1 keys):

http://www.tf2outpost.com/trade/11970155 - 1 day

Sold/Selling for Suggested Price (1 key):

http://www.tf2outpost.com/trade/12008283

http://www.tf2outpost.com/trade/11999760

http://www.tf2outpost.com/trade/12017136

http://www.tf2outpost.com/trade/11999760

http://www.tf2outpost.com/trade/11508505

http://www.tf2outpost.com/trade/11997800

http://www.tf2outpost.com/trade/11878770

http://www.tf2outpost.com/trade/12009416

Conclusion:

These are too readily available at 1 key to make any other price be reasonable enough to include in the suggestion.