Polar stated that 1 key was too scarce to be part of the range. Hollowtech decided not to resuggest, so I guess I'll do it.

1.5 keys:

http://www.tf2outpost.com/trade/19754088 5 days

http://www.tf2outpost.com/trade/19550850 17 days

http://www.tf2outpost.com/trade/19690503 8 days (selling 4)

http://www.tf2outpost.com/trade/19566553 15 days (selling 8)

http://www.tf2outpost.com/trade/19332351 27 days

http://www.tf2outpost.com/trade/19832005 1 day

http://www.tf2outpost.com/trade/19689060 8 days

http://www.tf2outpost.com/trade/19832997 1 day

http://www.tf2outpost.com/trade/19395681 24 days

http://www.tf2outpost.com/trade/19416191 23 days

http://www.tf2outpost.com/trade/19693371 8 days

http://www.tf2outpost.com/trade/19756741 5 days

http://www.tf2outpost.com/trade/19609155 13 days

http://www.tf2outpost.com/trade/19679617 9 days

1.4 keys:

http://www.tf2outpost.com/trade/19690068 8 days

http://www.tf2outpost.com/trade/19456330 21 days

http://www.tf2outpost.com/trade/19656890 10 days

http://www.tf2outpost.com/trade/19614515 13 days

http://www.tf2outpost.com/trade/19717470 7 days

http://www.tf2outpost.com/trade/19743971 6 days

http://www.tf2outpost.com/trade/19765945 5 days (selling 2)

http://www.tf2outpost.com/trade/19757558 5 days

http://www.tf2outpost.com/trade/19831274 1 day

http://www.tf2outpost.com/trade/19763759 5 days (does gifted mean anything?)

http://www.tf2outpost.com/trade/19781311 4 days (selling 8)

http://www.tf2outpost.com/trade/19724649 7 days

1.1 keys:

http://www.tf2outpost.com/trade/19768002 5 days (selling 2)

http://www.tf2outpost.com/trade/19827723 1 day

http://www.tf2outpost.com/trade/19367503 26 days (selling 8)

http://www.tf2outpost.com/trade/19811399 2 days