- Wet the coin thoroughly with clean water.
- Roll the coin in baking soda.
- Scrub the corrosion away using a toothbrush or rag.
- Rinse the coin clean.
- Repeat the scrubbing and rinsing until the corrosion is removed.
- Fill a plastic bottle with an acidic substance, such as tomato juice, orange juice or vinegar.
Can Silver Coin Rust?