Sandpaper will sharpen an edge but take years to reprofile one! I used a Lansky to establish a cutting edge on all my Bussekins, downside now V grind not convexed! Just hard to see a performance downturn..

If I was stateside I'd pm Vic for advice or offer bribes to get a "Third World grind shop" edge on your knife! <img src="/ubbthreads/images/graemlins/wink.gif" alt="" />