about the Black HiSec

i have question about the HiSec there is a "Black HiSec" for the black box (its looks more like yellow and dark brown but what ever) ok so can i get hack for the black HiSec key or some way to get the black HiSec key with on buy nx?

why i ask its becouse i got that box but i saw for buy that key its just for nx there is any way to get it?????????.

thx for helping

buy it at the shop ( gp shop ) at other.. its a gray key i think, it costs 1900gp

thank me if i helped

i meen the black key not the gray one the gray not open that box for open it you need the black key and this just from nx