Last suggestion passes. Now let's make it a range.

Sellers at 1.4

http://www.tf2outpost.com/trade/19132157

http://www.tf2outpost.com/trade/19073838

http://www.tf2outpost.com/trade/19095763

Not that hard to find a 1.3 seller.

http://www.tf2outpost.com/trade/19094607 1 key. 2 days so far.

http://www.tf2outpost.com/trade/19130201 1 key and 2 refined. 23 hours so far.

http://www.tf2outpost.com/trade/19141421 1 key and 2 refined. 8 hours so far.

http://www.tf2outpost.com/trade/19122535 1 key and 2 refined. 1 day so far.

http://www.tf2outpost.com/trade/19070237 1 key and 2.33 refined. 4 days so far.

http://www.tf2outpost.com/trade/19116090 1 key and 2 refined. 1 day so far.

http://www.tf2outpost.com/trade/19128027 1 key and 2.33 refined. 1 day so far. Selling 3.

Classified has some listed for 1.27, so round to 1.3, because Mathematics.

http://backpack.tf/stats/Strange/Dead%20Ringer/Tradable/Craftable

This might be too early, but what can I say, I'm a terrible suggester. <---- That last statement should not affect your vote.