So far, I'm very satisfied with this steel's performance. I used it to baton, for instance, full swing, several times in the last year or so. The convex grind makes it a pretty sturdy blade, and at RC59, it keeps an OK edge (I prefer ~61 for smaller blades). The only chipping I had, and it was tiny, was when I used a dirty stump as a chopping block...not smart. On the other hand, It was a bi*ch to shape with a file...I don't know if it is due to the CPM or just how well annealed the steel was, but give me PGround O1 (or PGround 154CM for stainless) to work from anytime. To answer your question, the very edge is finished with medium Lansky stone. I know, polished edges are more robust on big blades, but I'm lazy, what can I say... It makes this blade a convex grind with a V edge! The edge will be convexed over time, as I like to use sandpaper for on-the-field sharpening.
Thanks for your interest!