Polishing Brass (coloured?) tip of 1904 Victor-Royal Horn

[MasterJack555]

I have a 1904 Victor Royal and I recently noticed some discoloration from the previous owners fingerprints on the front of the horn which in colour appears to be brass. I assume this can be fixed with a simple polishing, but I'm not sure if its actually brass or just a coating since I saw on http://www.victor-victrola.com/Victor%20R.htm that the horn was at least partly stamped steel.

How should I go about removing these prints?

Some images of the effected area:

[phonogfp]

That's brass, so feel free to polish. Here's a posting that may help:

https://forum.antiquephono.org/topic/16 ... polishing/

George P.

[MisterGramophone]

They don’t need to be polished, it doesn’t change sound quality.

[JeffR1]

Could have just used a magnet in this case.

[MasterJack555]

Could have just used a magnet in this case.

Dumb question but how does one use a magnet to clean metal?

[JerryVan]

Could have just used a magnet in this case.

Dumb question but how does one use a magnet to clean metal?

One uses a magnet to determine if it's actually brass, which was a question of yours.