Classifieds: http://backpack.tf/classifieds?item=Knife&quality=11&tradable=1&craftable=1&australium=1

Screenshot(s) of Classifieds:

http://imgur.com/mtYXv4m

<Sellers>

17 keys | http://backpack.tf/item/5589055141 | http://backpack.tf/u/76561198049374459 | Listed about 2 hours ago

17 keys | http://backpack.tf/item/3343421673 | http://backpack.tf/u/76561198179396381 | Listed about 20 hours ago

17.12 keys | http://backpack.tf/item/5526566667 | http://backpack.tf/u/76561198357741990 | Listed a day ago [Bumped]

17.12 keys | http://backpack.tf/item/5479257428 | http://backpack.tf/u/76561198315588518 | Listed a day ago [Bumped]

17.14 keys | http://backpack.tf/item/5328292807 | http://backpack.tf/u/76561198311911589 | Listed about 15 hours ago [Bumped]

17.14 keys | http://backpack.tf/item/5513253494 | http://backpack.tf/u/76561198311725787 | Listed 6 days ago [Bumped]

17.43 keys | http://backpack.tf/item/5013082320 | http://backpack.tf/u/76561198358778649 | Listed about 7 hours ago [Bumped]

17.43 keys | http://backpack.tf/item/5059198698 | http://backpack.tf/u/76561198358031576 | Listed about 2 hours ago [Bumped]

17.43 keys | http://backpack.tf/item/5369595795 | http://backpack.tf/u/76561198315555780 | Listed about 8 hours ago [Bumped]

17.53 keys | http://backpack.tf/item/4677617090 | http://backpack.tf/u/76561198044515552 | Listed 13 days ago [Bumped]

Buyer at 17 keys and 3 ref is overstocked I believe since they have 4 knifes so I feel it is safe to ignore that buyer.

Credits to Axel Change for the helpful script.