Right, should be convex. After being out of school for over 40 years, I forget my geometry.
sarlaud, the grips are not original to your gun as Texas Star pointed out. However, they are valuable and, if the owner of the revolver with that serial number finds them, you will likely have a profitable sale.
sarlaud, the grips are not original to your gun as Texas Star pointed out. However, they are valuable and, if the owner of the revolver with that serial number finds them, you will likely have a profitable sale.