Sale 1:

Sold for 5 keys + Disco Beat Down Wet Works (18)

http://www.tf2outpost.com/trade/28542333 - B/O of 20

Seller: http://backpack.tf/profiles/76561198108148076#!/compare/1476662400/1476748800

Buyer: http://backpack.tf/profiles/76561198128213644#!/compare/1476662400/1476748800

This sale was mentioned in the Wet Works suggestion, however, it was not used to set a range. Due to lack of sales on the Kabuto, it would be best to use the sale here instead

X = 20 (Capped by B/O)

Sale 2:

Bulk for Death at Dusk Backbiter’s Billycock

Seller: http://backpack.tf/profiles/76561198128213644#!/compare/1477958400/1478044800

Buyer: http://backpack.tf/profiles/76561198096389539#!/compare/1477958400/1478044800

Sellers:

23 keys:

http://i.imgur.com/JAhaf6Z.png - 21 days

http://backpack.tf/u/76561198096389539

http://www.tf2outpost.com/trade/28594494

Sales at:

20

Going with 20