Posted by John Swensen on October 12, 2000 at 13:51:06:
In Reply to: Mouthpiece problem posted by RC on October 11, 2000 at 00:28:51:
If you are allergic to cobalt, most gold plating is going to cause problems; it turns out that cobalt is commonly alloyed with gold to improve its hardness. Perhaps a knowledgeable plater could plate with a softer, cobalt-free gold.