Gail, Sorry this is long in coming. A bunch of us use Nikolas #
2105 Clear Lacquer, at the suggestion of Carol Webb, to protect
copper, silver, etc. The company is G. J. Nikolas & Co., Inc.; 2800
Washingtoon Blvd.; Bellwood, IL 60104. Phone: 708-544-0320; web
Spray clean metal lightly (stand up or hang against cardboard), let
dry for 15 minutes, reapply; let dry. It's great. To remove soak
item in acetone.