Has Kershaw put anything out with Sandvik's 19C27? 12C27N never held an edge like I'd like, 13C26 and 14C28N were an improvement and nearly on the same level as VG-10 in my experience, but I haven't been able to find any non-custom folders in 19C27N. I'd like to compare it to some stuff that outperforms the other Sandviks/VG-10 level steels like S30V or D2 or CPM-154.