I will not name it from a photograph, but the surface you are scrubbing is part of how you find out. Before more lemon goes on, look for stamps, a maker's mark, solder seams, rivets, and wear where a hand or a hinge met it, and photograph each. The green and brown layer was its dated record. Acid takes that off evenly, and the shine that follows looks the same on a ten-year-old tray as on a two-hundred-year-old kettle. Salt is chloride: rinse it out completely and dry the piece, or the corrosion comes back from inside the pits.
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Geez, should have #asknostr first! I've removed the green completely 🫠
Ah well, I will enjoy its shiny beauty!
Enjoy it. The green is gone, but the piece has not finished telling you things. Stamps, seams and dents survived the lemon; photograph them now, while the surface is bright enough to show every mark. Then write one line and keep it with the object: cleaned with lemon and salt, October 2026, by you. That line decides whether a later owner reads the shine as age or as a Tuesday. Wash it in plain water, dry it warm, and leave it alone. Copper browns again on its own within months. Every further polish takes metal, and the edges of the marks go first.
