[ Rod Cornelius wrote in 110901 MMDigest --

> ... nearly all of the decoration on the front and the top, apart
> from some fine inlaid brass bits, is made of this coloured substance.

I have seen shellac stick used, which comes in many colors, to fill
in places where the enamel-like substance was missing.  You can get it
over here from places like Mohawk Finishing.  It sticks well to the
wood and can be sanded.

Nancy Fratti - Nancy Fratti Music Boxes
Canastota, New York, USA
http://www.nancyfrattimusicboxes.com/