People start leaving their items in trade, although they have been sold. Good for the suggestor. This is a very conservative bump.

http://www.tf2outpost.com/trade/9651646 - sold for 3ref, at least 5 in the last month, 7 left (price changed, i suppose)

http://www.tf2outpost.com/trade/10643900 - sold for 2.33 2.66, has 17 left, so he changed price, enough adds

http://www.tf2outpost.com/trade/10710022 - sold for 2.33 (0 in BP)

http://www.tf2outpost.com/trade/10341113 - sold for 2.33, 2 weeks ago

http://www.tf2outpost.com/trade/10671895 - sold for 2.33

http://www.tf2outpost.com/trade/10641660 - sold for 2.33

http://www.tf2outpost.com/trade/10694170 - sold for 2.33

http://www.tf2outpost.com/trade/10100154 - sold for 2.33 (high BP.tf)

http://www.tf2outpost.com/trade/9756545 - sold at least one for 2.33

http://www.tf2outpost.com/trade/10733292 - selling 2.33, new

http://www.tf2outpost.com/trade/10732208 - selling 2.33, new

http://www.tf2outpost.com/trade/9895610 - 2.33, 1.66+s.spycicle offered, no response, old

http://www.tf2outpost.com/trade/10668038 - selling 2.33, has an add

http://www.tf2outpost.com/trade/10708349 - 2.33 offered, no sale yet

http://www.tf2outpost.com/trade/10731944 - buying for 2.33, 2.44?

http://www.tf2outpost.com/trade/10724497 - buying for 2.33

http://www.tf2outpost.com/trade/10645679 - buying 2ref. no xbow

http://www.tf2outpost.com/trade/10709948 - buying 2ref, no xbow

http://www.tf2outpost.com/trade/10715326 - buying 2ref, no xbow

http://www.tf2outpost.com/trade/10728964 - buying 2ref, no xbow

http://www.tf2outpost.com/trade/9398848 - buying 2ref, 1month old, also got no xbow

etc.