Check the listing for details. Belgium Coticule Razor Hone & Franz Swaty Razor Hone. Condition: Used. Listed at 124.99 USD. One is a Belgium coticule razor hone and the other is by Franz Swaty. one ideal for collectors, barbers, or enthusiasts interested in traditional straight razor sharpening. These naturally occurring sharpening stone is highly sought after for its unique ability to produce an exceptionally smooth, "shave-ready" edge.