First suggestion, let's see how this goes, eh?

8-month-old price? Wow.

so many killstreaks

Solds:

http://www.tf2outpost.com/trade/23581061 2.55

http://www.tf2outpost.com/trade/23557873 2.55

I recently sold one for 2.66: http://i.imgur.com/8DdKo3v.png

http://www.tf2outpost.com/trade/23557474 3 ref

http://www.tf2outpost.com/trade/23570009 3 ref

http://www.tf2outpost.com/trade/23442228 3 ref

Sellers:

http://www.tf2outpost.com/trade/23567489 2.33

http://www.tf2outpost.com/trade/23581061 2.55

http://www.tf2outpost.com/trade/23560952 2.66

http://www.tf2outpost.com/trade/23458531 2.66

8 sellers at 2.66 or below on Classifieds: http://i.imgur.com/qGWzkxf.png

Unsolds at 3 ref or above:

http://www.tf2outpost.com/trade/23575432 1 day (Unbumped, but young)

http://www.tf2outpost.com/trade/23568313 1 day Closed, opened a new trade w/ Zatoichi. (http://www.tf2outpost.com/trade/23580898)

http://www.tf2outpost.com/trade/23573433 1 day (Unbumped, but young)

http://www.tf2outpost.com/trade/23551754 2 days Closed, opened a new trade w/ Zatoichis. (http://www.tf2outpost.com/trade/23602722)

http://www.tf2outpost.com/trade/23561422 2 days

http://www.tf2outpost.com/trade/23564053 2 days (Unbumped, but young)

http://www.tf2outpost.com/trade/23562320 2 days (3.33)

http://www.tf2outpost.com/trade/23552794 3 days (Trade closed, Zatoichi still in BP)

http://www.tf2outpost.com/trade/23540419 4 days

http://www.tf2outpost.com/trade/23533968 4 days

http://www.tf2outpost.com/trade/23500815 4 days

http://www.tf2outpost.com/trade/23488798 6 days (Unbumped)

http://www.tf2outpost.com/trade/23484273 6 days

http://www.tf2outpost.com/trade/23499203 6 days (4 ref)

http://www.tf2outpost.com/trade/23425421 1 week (Trade closed, Zatoichis still in BP)

http://www.tf2outpost.com/trade/23434388 1 week

http://www.tf2outpost.com/trade/23437219 1 week (3.33)

http://www.tf2outpost.com/trade/23442148 1 week

http://www.tf2outpost.com/trade/23432637 1 week

http://www.tf2outpost.com/trade/23370215 1 week

http://www.tf2outpost.com/trade/21688747 3 months (Still bumped)

Buyers/Other Supportive Proof:

http://www.tf2outpost.com/trade/23575288 2.22

http://www.tf2outpost.com/trade/22986764 2.22

http://www.tf2outpost.com/trade/23360086 2.33

http://www.tf2outpost.com/trade/23360342 2.33

http://www.tf2outpost.com/trade/23130488 2.55

bp.tf says 2.66-3 = $.62, SCM has a lot of sellers at/below that.

http://steamcommunity.com/market/listings/440/Strange%20Half-Zatoichi

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So, 3 ref can't sell very well, and 2.66 sells fine, with some buyers at 2.33.

Advice? Support/Counter Proof? Did I miss anything?