I was using the search bar on Cold steels website, and I accidentally got some search results for xhp Code 4 knives. I hope that this is not an error.
http://www.coldsteel.com/Product/58TPCCS/CODE-4_CLIPPOINT_FULLSERR_XHP_STEEL.aspx
http://www.coldsteel.com/Product/58TPCSS/CODE_4_TANTO_POINT_FULL_SERR,_XHP_STEEL.aspx
http://www.coldsteel.com/Product/58TPCCS/CODE-4_CLIPPOINT_FULLSERR_XHP_STEEL.aspx
http://www.coldsteel.com/Product/58TPCSS/CODE_4_TANTO_POINT_FULL_SERR,_XHP_STEEL.aspx