It’s not an S-grind, it looks to be just convex. If he has variations of convex, I’m not sure what they are but if you do and need me to rule them out, please let me know.
Per IG conversations - Rader has been using his 5 steel mix for 7-8 years in his Damascus. He stopped using the 5 steel stamp a few years ago but it’s the same mix as his current Damascus
Bump. Looking for above mentioned knives, might be willing to sell for the right price. Offers would have to be higher than trade value, knife would go to the highest bidder. Trade-plus-cash offers also work