Classifieds: http://backpack.tf/classifieds?item=Syringe%20Gun&quality=6&tradable=1&craftable=1&australium=-1

Screenshot(s) of Classifieds:

http://imgur.com/b2bcDzR

<Sellers>

0.77 ref | http://backpack.tf/item/5388510076 | http://backpack.tf/u/76561198296101975 | Listed 6 days ago [Bumped]

0.77 ref | http://backpack.tf/item/4698066995 | http://backpack.tf/u/76561198134101761 | Listed 6 days ago

0.77 ref | http://backpack.tf/item/323666833 | http://backpack.tf/u/76561198309739563 | Listed a day ago [Bumped]

0.77 ref | http://backpack.tf/item/5486695805 | http://backpack.tf/u/76561198345551072 | Listed 7 days ago [Bumped]

0.88 ref | http://backpack.tf/item/5175259380 | http://backpack.tf/u/76561198315555780 | Listed 13 days ago [Bumped]

1 ref | http://backpack.tf/item/2786467678 | http://backpack.tf/u/76561198063640894 | Listed about a month ago [Bumped]

1 ref | http://backpack.tf/item/4645549069 | http://backpack.tf/u/76561198064231273 | Listed about 10 hours ago [Bumped]

5 ref | http://backpack.tf/item/4358165926 | http://backpack.tf/u/76561198159855421 | Listed 7 months ago [Bumped]

6 ref | http://backpack.tf/item/5369756503 | http://backpack.tf/u/76561198004812835 | Listed 2 months ago [Bumped]

Seller

0.77 http://www.tf2outpost.com/trade/28869029

0.11? http://www.tf2outpost.com/trade/28766685 seems low