Video answer: Experiment , should we clean antiques or leave patina on them
Top best answers to the question «Should you clean antique bronze»
Caring for Bronze Antiques
The dark or greenish brown patina that forms on bronze is highly desirable and should be preserved; so don't use metal polish or solvents on any bronze or any water on indoor bronzes… A dull patina can be revived by a very light coating of microcrystalline wax.
Video answer: Metal detecting ... how to clean bronze & copper coins