I will agree with Guy, polish up lightly with Flitz, simchrome, (I haven't tried the Blue Wonder but have heard good things about it). Then a coat of Renaissance Wax. This stuff is good, neutral Ph, won't yellow like some waxes, and fingerprints just don't seem to stick to it, keeping it clean looking always. I polished up a large brass shell, maybe 10-12 years ago and put a coat of Renaissance Wax on it and it still hasen't tarnished.

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H Richard
SWCA1967 SWHF244