Way overpriced, lol.

2.33

http://www.tf2outpost.com/trade/20763903

3 ref

http://www.tf2outpost.com/trade/20751651

http://www.tf2outpost.com/trade/20662487 - 11 in stock, sold a couple

http://www.tf2outpost.com/trade/20711148 - sold a couple

http://www.tf2outpost.com/trade/20685328 - 80+ in stock

http://www.tf2outpost.com/trade/20640653 - 8 in stock

3.33

http://www.tf2outpost.com/trade/20735373 - 1 day

4 ref unsold

http://www.tf2outpost.com/trade/20675724 - 3 days

5 ref unsold

http://www.tf2outpost.com/trade/20268860 - 2 weeks

http://steamcommunity.com/market/listings/440/Mann%20Co.%20Supply%20Crate%20Series%20%2321

-SCM listings is ~40 cents.

I believe that 3 ref is the most correct and common price for this crate. Nothing profitable in it anymore.

Feel free to counter / support my proof. Vote based on proof presented, not blindly!