How do I clean an antique bronze?

Dust the surface gently with a soft, dry brush to remove settled particles without disturbing the underlying patination. Avoid using harsh chemical cleaners, abrasives, or water, which can strip historical finishes. Apply a very thin coat of microcrystalline wax if the metal requires protection against humidity. Buff lightly with a clean cloth to maintain a stable, non-greasy appearance.

What is cold-painted bronze?

Cold-painting involves applying oil or enamel paints to a cold metal surface rather than firing the pigment in a kiln. This technique gained popularity in Vienna during the late nineteenth and early twentieth centuries for brightly coloured animal and human figures. Because the paint was not high-fired, surviving pieces often show natural wear and loss to the pigment. Collectors value original, undisturbed paint surfaces over restored examples.

How can I tell bronze from spelter?

Bronze is a heavy, durable copper alloy that rings with a clear tone when lightly tapped and resists scratching. Spelter is a softer zinc alloy that feels noticeably lighter and appears duller or more brittle if exposed at a base seam. Many spelter figures received a surface patination to imitate bronze. Examining the underside or areas where the finish has worn reveals the lighter grey metal beneath.

Why are some bronzes mounted on marble?

Marble bases provide structural stability and weight to ensure that tall or dynamic sculptures stand securely. The contrasting stone texture also frames the metalwork and elevates the visual presentation of the piece. Mounting styles changed over time, helping to indicate the period of manufacture. Art Deco sculptures frequently utilise geometric marble or onyx plinths.