Shake it off.

Classified ads at the time of posting:

http://backpack.tf/classifieds?item=Boston+Basher&quality=11&tradable=1&craftable=1

http://m.imgur.com/JxiZ5vP

2*0.66 refined

5*0.77 refined

1*0.83 refined

2*0.88 refined

Unsolds at 0.88 refined:

http://www.tf2outpost.com/trade/26905471 (~3 days)

http://www.tf2outpost.com/trade/25938933 (~4 months)

http://www.tf2outpost.com/trade/26850046 (~1 week)

Unsolds at Backpack tf price:

http://www.tf2outpost.com/trade/26850955 (~1 week)

http://www.tf2outpost.com/trade/26863233 (~1 week)

http://www.tf2outpost.com/trade/26900449 (~4 days)

http://www.tf2outpost.com/trade/26734029 (~3 weeks)

http://www.tf2outpost.com/trade/26929477 (~1 day, young)

http://www.tf2outpost.com/trade/26866277 (~1 week)

http://www.tf2outpost.com/trade/26773583 (~2 weeks)

http://www.tf2outpost.com/trade/26930796 (Young)

http://www.tf2outpost.com/trade/26867764 (~1 week, poorly bumped)

http://www.tf2outpost.com/trade/26898797 (~4 days, poorly bumped)

Sellers at 0.77 refined:

http://www.tf2outpost.com/trade/26902496 (~4 days old)

http://www.tf2outpost.com/trade/26807204 (~2 weeks old)

http://www.tf2outpost.com/trade/26914916 (~3 days old)

http://www.tf2outpost.com/trade/26778770 (~2 weeks old)

http://www.tf2outpost.com/trade/26914398 (~3 days old)

This is all I could find on Outpost that are valid at the time of posting this suggestion.