what is this even

Classifieds at the time suggesting

http://backpack.tf/classifieds/?item=Lumbricus%20Lid&quality=6&tradable=1&craftable=1

1x 5.55 Ref

1x 5.77 Ref

5x 6 Ref

1x 1 Key

Keep in mind some of these links might have been poorly bumped

Sellers under 6 ref

http://www.tf2outpost.com/trade/22559716 - 5 Ref

http://www.tf2outpost.com/trade/22815859 - 5.33 Ref (Sold two of three)

http://www.tf2outpost.com/trade/22844651 - 5.33 Ref

http://www.tf2outpost.com/trade/22880444 - 5.66 Ref

http://www.tf2outpost.com/trade/22878716 - 5.66 Ref

http://www.tf2outpost.com/trade/22871553 - 5.66 Ref

http://www.tf2outpost.com/trade/22818992 - 5.88 Ref

Unsolds for 6 ref/backpack.tf price/more

http://www.tf2outpost.com/trade/22755917 - 1 Week

http://www.tf2outpost.com/trade/22767810 - 6 Days

http://www.tf2outpost.com/trade/22862128 - 1 Day

http://www.tf2outpost.com/trade/22783745 - 5 Days

http://www.tf2outpost.com/trade/22826250 - 2 Days

http://www.tf2outpost.com/trade/22667983 - 1 Week

http://www.tf2outpost.com/trade/22855354 - 1 Day

http://www.tf2outpost.com/trade/22862128 - 1 Day

http://www.tf2outpost.com/trade/22851395 - 1 Day

http://www.tf2outpost.com/trade/22746485 - 1 Week

http://www.tf2outpost.com/trade/22840984 - 1 Day