Hi, Dell. Sorry, it isn't clear to me if you are in the business of antique piano restoration, in which case you probably want to hook up with a major supplier of brass lacquer like G.J. Nikolas[a finishing.com supporting advertiser], or whether you have just one antique piano of your own, in which case you probably want a single can of brass lacquer [affil. link to info/product on Amazon]. Good luck!
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