Having a geometrically shaped upper portion the reverse painted mirror depicting mounted soldiers in battle, the rectangular frame with slightly notched corners, the mirror plate is antique.  So, what is Verre Églomisé? “Verre” being the French word for glass, combined with Glomy's name, will make this term more meaningful. Basically, it's reverse painting on glass. That is, one paints, applies metal leaf, and then burnishes the back side of a piece of glass.