Abstract: In the method for making an article having a replicated coating with a durable dielectric overcoat. A master is formed having a surface to be replicated formed thereon. A parting compound such as silicon oil is placed on the surface while under a vacuum. An optical coating is formed in reverse order, with the protective coat first and the reflective coat last, on the coated surface while in the vacuum under a low temperature to cause initial curing of the protective coat without reevaporation of the silicon oil. Thereafter, the optical coating on the master is post-cured in air at an elevated temperature to cause final curing and hardening of the protective coat. After the post-curing has been completed, the replicated part, if desired, is transferred to the part to carry the same and is mounted thereon by a sealing plastic.