1: Learn to identify counterfeit coins quickly and effectively.

2: Weight, thickness, and diameter are key indicators of authenticity.

3: Examine the edges and reeding for signs of tampering.

4: Study the details of the coin for inconsistencies in design.

5: Use a loupe to check for micro-engravings and fine details.

6: Avoid purchasing coins from questionable sources or online auctions.

7: Consult with professional numismatists for expert advice and authentication services.

8: Store your collection in secure and controlled environments to prevent damage.

9: Educate yourself on the latest counterfeit techniques to stay ahead of fraudsters.