Produced mainly in Belgium, the term "Brevete" can be applied to any revolver made in Europe under license by Colt using one or more of their patents. The top barrel flat is marked "COLT / BREVETE" at the breech and a "crown / C" proof on the left flat. The cylinder is roll engraved with a hunting scene (a horseman and a dog chasing a flying duck) and marked with the Liege "ELG" in an oval proof on the rear. Serial number marked only on the frame with "JF" on the trigger guard. Brass post front sight and hammer notch rear sight, silver plated brass square trigger guard and back strap, percussion shield cut-out without the capping groove and fitted with a one piece smooth.