You can't buy this thing for 1.66 and it looks tough to even buy at 2. Range is a little wonky, but there aren't that many

trades on outpost to get a tighter range. Links are all sellers. Searching for buyers on outpost led me nowhere. Behold:

http://www.tf2outpost.com/trade/8225791 - 1 key offer

http://www.tf2outpost.com/trade/7100562 - old trade, but a few recent 1 key offers

http://www.tf2outpost.com/trade/8737574 - hidden 2ref offer

http://www.tf2outpost.com/trade/8484305 - hidden 2ref offer

http://www.tf2outpost.com/trade/5896129 - old trade, but still active; hid a 3ref offer

http://www.tf2outpost.com/trade/8773734 - selling for 2ref

http://www.tf2outpost.com/trade/8705005 - selling for 3ref, 1 add

http://steamcommunity.com/market/listings/440/Mann%20Co.%20Supply%20Crate?filter=%231 - $1.50+ on Market

Steam market average (24 hours): 1.19 USD (27 sold)

No backpack classified listings.