1: "Know your coins, study rare markings."

2: "Stay informed on current counterfeit trends."

3: "Invest in a good magnifying glass for inspections."

4: "Check for weight, size, and authenticity characteristics."

5: "Authenticate with trusted dealers or professionals."

6: "Stay wary of online auctions and sellers."

7: "Keep records of your collection for reference."

8: "Join coin clubs for support and guidance."

9: "Stay vigilant and protect your investments."