Classifieds :

http://backpack.tf/classifieds/?item=Tour%20of%20Duty%20Ticket&quality=6&tradable=1&craftable=0

1 at 6,88 | 15 at 7!

Buyers :

http://www.tf2outpost.com/trade/24752111 - 6,66

http://www.tf2outpost.com/trade/24867850 - 6,66

http://www.tf2outpost.com/trade/23940191 - 6,66

http://www.tf2outpost.com/trade/24751827 - 6,66

http://www.tf2outpost.com/trade/24075186 - 6,66

http://www.tf2outpost.com/trade/24889145 - 6,66

http://www.tf2outpost.com/trade/24482411 - 6,66

http://www.tf2outpost.com/trade/24806319 - 6,66

http://www.tf2outpost.com/trade/24435497 - 6,66

http://www.tf2outpost.com/trade/24899771 - 6,66

http://www.tf2outpost.com/trade/24849690 - 6,66

http://www.tf2outpost.com/trade/24991426 - 6,77

http://www.tf2outpost.com/trade/24966307 - 6,77

http://www.tf2outpost.com/trade/23350616 - 6,77

http://www.tf2outpost.com/trade/24966168 - 6,77

http://www.tf2outpost.com/trade/24698240 - 6,77

http://www.tf2outpost.com/trade/24307352 - 6,77

http://www.tf2outpost.com/trade/23998364 - 6,88

http://www.tf2outpost.com/trade/23723189 - 6,88

http://www.tf2outpost.com/trade/23789089 - 6,88

http://www.tf2outpost.com/trade/24464617 - 6,88

http://www.tf2outpost.com/trade/23077072 - 6,88

http://www.tf2outpost.com/trade/24703926 - 6,88

http://www.tf2outpost.com/trade/24953747 - 6,88

http://www.tf2outpost.com/trade/24991055 - 6,88

http://www.tf2outpost.com/trade/24990356 - 6,88

http://www.tf2outpost.com/trade/24827334 - 6,88

http://www.tf2outpost.com/trade/24856076 - 6,88

http://www.tf2outpost.com/trade/24974254 - 6,88

http://www.tf2outpost.com/trade/24953068 - 6,88

http://www.tf2outpost.com/trade/23828659 - 7

http://www.tf2outpost.com/trade/25003696 - 7

http://www.tf2outpost.com/trade/25002646 - 7

http://www.tf2outpost.com/trade/25002153 - 7

http://www.tf2outpost.com/trade/25000347 - 7

http://www.tf2outpost.com/trade/25001938 - 7

Offer :

http://www.tf2outpost.com/trade/24967525 - 7

Sales :

http://www.tf2outpost.com/trade/24860403 - 7 (Sold 50)

http://www.tf2outpost.com/trade/25002646 - 7

http://www.tf2outpost.com/trade/24984913 - 7

http://www.tf2outpost.com/trade/24998905 - 7

http://www.tf2outpost.com/trade/24983803 - 7

http://www.tf2outpost.com/trade/24911577 - 7

http://www.tf2outpost.com/trade/24846438 - 7,11

http://www.tf2outpost.com/trade/24851203 - 7,11 (Sold at least 3; check histories of the ToDs shown on trade)

Sellers :

http://www.tf2outpost.com/trade/25003144 - 7

http://www.tf2outpost.com/trade/25001647 - 7

http://www.tf2outpost.com/trade/25001363 - 7

http://www.tf2outpost.com/trade/24994494 - 7

http://www.tf2outpost.com/trade/24983803 - 7

http://www.tf2outpost.com/trade/24995875 - 7

Conclusion :

Most common trade price is 7 atm.