ok so there are alot of sellers at 1.6 keys, i couldn't really find any sales so my proof will be 100% unsolds. Normally i don't make suggestions for items with more then 3-4 pages on outpost (im lazy) but this just needed a change.

http://backpack.tf/classifieds/search/dashin 1.5 seller, some 1,6 sellers.

unsold for ~1.5 keys:

http://www.tf2outpost.com/trade/12013676 1 day

http://www.tf2outpost.com/trade/12055414 2 hours

http://www.tf2outpost.com/trade/12052655 6 hours unbumped

unsold for ~1.6 keys:

http://www.tf2outpost.com/trade/12008543 selling 4 for key + 3 ref, sold one of them, 1 day

http://www.tf2outpost.com/trade/12024573 key + 3 ref, 1 day

http://www.tf2outpost.com/trade/12042841 key + 3.66, 14 hours (seller has been offline last 4 hours)

http://www.tf2outpost.com/trade/12011357 key + 3 ref, 1 day

http://www.tf2outpost.com/trade/12005484 key + 3.22, 1 day

http://www.tf2outpost.com/trade/11977867 key + 3 ref, 2 days

http://www.tf2outpost.com/trade/12010859 key + 3.33 ref, 1 day

http://www.tf2outpost.com/trade/12038459 key + 3.66, 17 hours

http://www.tf2outpost.com/trade/12012641 1 day

http://www.tf2outpost.com/trade/12052998 key + 3 ref, 5 hours

http://www.tf2outpost.com/trade/12031747 key + 3.33, 21 hours

http://www.tf2outpost.com/trade/12043035 key + 3 ref, 14 hours

http://www.tf2outpost.com/trade/12039761 key + 3 ref, 16 hours

http://www.tf2outpost.com/trade/11986899 key + 3 ref, 2 days

http://www.tf2outpost.com/trade/12040645 key + 3 ref, 16 hours

http://www.tf2outpost.com/trade/12045754 key + 2.66, 12 hours (last bumpe 5 hours ago)

http://www.tf2outpost.com/trade/12051611 7 hours, last bumped 5 hours ago

http://www.tf2outpost.com/trade/12034719 key + 3 ref19 hours, last bumped 7 hours ago

unsold for ~1.7 keys:

http://www.tf2outpost.com/trade/12047012 11 hours

http://www.tf2outpost.com/trade/11719183 1 week

http://www.tf2outpost.com/trade/11968240 2 days

http://www.tf2outpost.com/trade/11934536 3 days

http://www.tf2outpost.com/trade/11884962 5 days

http://www.tf2outpost.com/trade/11959978 3 days

unsold for ~1.8 keys

http://www.tf2outpost.com/trade/11942108 3 days

http://www.tf2outpost.com/trade/11730737 1 week

http://www.tf2outpost.com/trade/11804203 1 week

http://www.tf2outpost.com/trade/11832891 1 week

http://www.tf2outpost.com/trade/11877690 5 days

http://www.tf2outpost.com/trade/11991234 2 days

http://www.tf2outpost.com/trade/11825614 1 week

http://www.tf2outpost.com/trade/11989773 2 days

http://www.tf2outpost.com/trade/12028053 1 day

http://www.tf2outpost.com/trade/12043543 14 hours

http://www.tf2outpost.com/trade/11846572 6 days

http://www.tf2outpost.com/trade/11903732 4 days

http://www.tf2outpost.com/trade/12031633 22 hours

http://www.tf2outpost.com/trade/12052799 5 hours

http://www.tf2outpost.com/trade/12015183 1 day