Problem with Russian cup:(

Questions on polishing, restoration, conservation + manufacturing techniques

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madej
Posts: 348
Joined: Wed Jan 14, 2015 6:46 pm

Problem with Russian cup:(

Postby madej » Sun Mar 05, 2017 3:55 pm

Hello . I bought a Russian cup which was very dirty covered with patina. After cleaning the patina of dirt and there was such a thing as can be seen in the picture. What could it be? Varnish, paint, or something else? How to get rid of?
Click on the image for better quality.

Image

Image

Goldstein
contributor
Posts: 1110
Joined: Sat Dec 12, 2015 9:53 am

Re: Problem with Russian cup:(

Postby Goldstein » Sun Mar 05, 2017 5:01 pm

Hi madej -

A remote diagnosis is always ungrateful.
I suspect this spots are caused by fruit or oleic acid (orange juice, fats, etc.) or sulfur compounds. If the silver is then stored uncleaned for an extended period of time, then it looks like this. As long as the surface is not attacked, it is no problem. A good silver polishing paste and some "elbow grease" will bring back the old splendor. Do not scratch - just polish!
That´s what you need:
cotton wool
siverpolish
Image

Regards
Goldstein

AG2012
contributor
Posts: 3278
Joined: Fri Apr 13, 2012 9:47 am

Re: Problem with Russian cup:(

Postby AG2012 » Mon Mar 06, 2017 3:28 am

Hi,
Make sure there is no colorless varnish (used to protect silver from elements).
Apply acetone or nail polish remover and then polish as suggested.
Regards


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