Oil rubbed bronze house number plaque are different than the conventional plaques because of various reasons. The overall look is way different than the other plaques that are being used. The change that you feel in the bronze metal plaque is due to different factors. First of all the metal that is used on the plaque is hard and at the same time it is but shiny as well. The shine onto the metal is due to the oil rubbed onto the metal. You can get your oil rubbed bronze house number plaque look new if you consistently apply oil onto its surface from time to time.