If you can find someone who does china and porcelain repairs, they can grind the spot smooth and hopefully match any color, if needed.

This Lady (jamiro) may be able to help you.

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I had a ceramics studio for many years. Porcelain has to be fired. One thing that I used was wood putty. It can be made by adding water to it and you fill in the crack. sand, and paint it and top it off with a high gloss finish. Hope it helps!

Many porcelain problems can easily be repaired at home with an epoxy glue or porcelain enamel to match the piece.

1) If the porcelain is wet, dry the surface thoroughly with a hair dryer or tack cloth.
2) Following the package’s directions, mix the 2 parts of epoxy glue (it comes in a kit with 2 tubes) in the tray that’s included or in a disposable cup.

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3) Apply the epoxy glue to the back of the chipped piece using a toothpick or a cotton swab.
4) Place the piece in its original position, taking care to line up the broken edges.
5) Hold the piece in place for 30 to 60 seconds.

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6) Apply porcelain enamel over the cracked area with a small brush, a toothpick or an eye-shadow applicator (minus the sponge) until the crack is filled. You can buy porcelain enamel kits at art supply stores.
7) Smooth the surface with an ice-pop stick.
8) Let it dry for 24 hours.
9) One coat of enamel will leave an uneven finish, so you’ll want to apply several coats.

[URL removed] Keep epoxy glue and enamel away from your fingers or any surface you don’t want it to stick to.

Or if this is a piece you want to keep for yourself and the chip is small you can combine white bread and milk to make a paste to form a filler. Then paint. I used this on an antique porcelain bell. It worked. That is how our grandmothers did it. Also, air dry molding clay will work. Or of couse take it to a repair shop. Depends on what you want to invest and if it’s a keeper.

I once read using the WHITE portions of eggs and plaster of paris, mixed very very well, together, makes an excellent chip filler. I would think you might need to let it dry for more than a day, before you paint over it with a glossy paint you try to match to the item. BEFORE You Paint it, SEAL it, a dab of Kilz it, might seal it fast enough, again, Let the SEAL type of ’’paint’’ fully dry BEFORE you attempt to paint over it.

Interesting… wouldn’t white bread and milk go moldy in time?