Originally Posted by
Chris L
Very interesting. That bonded cotticule does look like slate vs. BBW. You should contact Rob Celis at the mine and ask him when slate was first used as a substrate for the coticule. By the deteriorated bond typical of vintage bonded coticules, I would (and did) only believe the substrate could have been BBW and nothing else. I think it's interesting to see a coticule that appears to be of older production bonded to slate.
Keep the natural and sell the bonded coticule. Soft coticules are great for razors as well.
Chris L