Watched a Roman coin go from a black disc to readable in 3 weeks with distilled water

Karen Carter · 2026-09-24T20:35:02.901253+00:00

I picked up a crusty bronze coin from a field in Colchester last month and it looked like a plain black button, no details at all. Soaked it in distilled water for 3 weeks and changed the water every few days, and now I can see a helmeted bust and part of the legend. Does anyone else use plain water over chemicals for crusty bronze, or am I missing a step?

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Watched a Roman coin go from a black disc to readable in 3 weeks with distilled water | Archaeology Discoveries - Thought Shares