I had a Ken Onion Leek years ago briefly but lost it at work, and my father sometimes carried one, too, so I've missed owning one. Those were the regular monosteel variety (Sandvik 14C28N), but these are combination Sandvik 14C28N along the spine and D2 along the edge, so I bought two (2) of these (blemished) for $95 with shipping (keeping one; gifting the other).
https://kershawguy.com/products-page/blems-factory-seconds/kershaw-1660cb-composite-leek-d2-blems/