Is there some chemical way that we can remove what is probably
pewter contamination on an almost completed repousse piece of
I am unable to answer your problem directly - other than to say that
I very much doubt whether there is any suitable chemical treatment.
But would it be possible to drill out the pits with drills a little
larger than the pit, then carefully fit plugs of sterling, silver
solder them in place, then sand away all the excess metal of the plug
right back to the original metal thickness.
I don’t know, but it might be worth your while to try it out on a
piece of the same thickness scrap, to see how it looks after proper
sanding and polishing
daffodils , bluebells and kowhai blossoms have gone, cherry and apple
blossoms are going, and the nights are getting shorter - and warmer.