Un-lacquered products will naturally age through oxidization. Polished Brass items will need to be maintained at regular intervals if you would like to keep the original quality and finish, especially if being used externally or in high moisture areas (bathrooms etc). A monthly polish will suffice in these situations and will be enough to maintain the quality finish. Alternatively, the brass can be left to age through oxidization and will gain a darkened patina over the years.The Antique Brass finish has been treated to speed up this natural tarnishing and ageing process which produces th...