1: Learn the art of examining coins to detect counterfeits.

2: Research the history of the coin in question to spot inconsistencies.

3: Invest in authentication services to ensure authenticity.

4: Be wary of deals that seem too good to be true.

5: Trust reputable dealers when purchasing coins.

6: Use a magnifying glass to inspect details closely.

7: Stay informed on new counterfeit methods.

8: Document your collection with detailed records.

9: Protect your coins with proper storage and insurance.