It just can't sell for more.

One recent sale:

http://backpack.tf/profiles/76561198056794088#!/compare/1461024000/1462492800

Sold for Power Surge Glengarry (Outdated at 46, mini at 29) + Stormy Gym Rat (Outdated at 11.5, mini at 11)

= 40.

Supporting but outdated sales:

http://backpack.tf/profiles/76561198110465557#!/compare/1454745600/1458864000 Sold for Scorching Mullet (~40)

http://backpack.tf/profiles/76561198110465557/#!/compare/1455782400/1455955200 Duped Beams Batters (Two years outdated and no usable recent duped sales. Clean wants 85 so I guess ~70?) (Outlier)

Glengarry mini:

http://www.tf2outpost.com/trade/27884890

http://backpack.tf/profiles/76561198000754743#!/compare/1458950400/1459814400

Sold for 29 keys (Took forever)

Using 29.

Gym Rat mini:

http://puu.sh/p6PYc/cfa52d4dba.png Sellers at 11

Using 11.

Both on the market have had no offers for three weeks.

Let it ride.