What should I do with my pennies? Still, some groups are encouraging Americans to look at their coins more closely. Coin collectors and experts recommend using resources like "The 2026 Red Book: A ...

You can have your coins authenticated at their value, just as jewelry is, from several services, including CAC, Numismatic Guaranty Company, and Professional Coin Grading Service.

Nearly all of the 1,427 coins, dating from 1847 to 1894, are in uncirculated, mint condition, said David Hall, co-founder of Professional Coin Grading Service of Santa Ana, which recently ...