Coin grading is the process by which a certified numismatist determines the grade, or physical condition, of an existing coin. Once the grade is determined, the value of the coin can then be ...

GRAND RAPIDS, MI - A Grand Rapids-based inventor has developed a first-of-its-kind device designed to transform how collectors grade and value their coins. The OCS200, created by Richard Colonna of ...

Americans honor the loss 24 years after the devastating World Trade Center, Pentagon and thwarted Flight 93 9/11 terrorist attacks. by Bellevue Rare Coins Though some coins are more valuable than ...

The 50 State Quarters series, issued by the United States Mint from 1999 through 2008, has been credited with reinvigorating ...

Coin Value Checker launches sophisticated coin grading and valuation services, leveraging cutting-edge technology to provide accurate assessments for a broad spectrum of coins, including Pennies, ...

Rare coins from the 1930s, particularly those from the earlier part of the decade, can be worth hundreds or even thousands of ...

A landmark event in the international numismatic market occurred recently with the sale of a 1927 Chinese Republic Chang Tso-lin Silver Specimen Pattern Dollar for $4,320,000. The sale, concluded ...

Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected.

A significant milestone in the rare gold coin market was achieved in 2025 with the sale of a 1927-D Saint-Gaudens Double Eagle for $3,840,000. The transaction, concluded during a premier winter ...

Coins are one of the most exceptional items in the world of collecting. With various ways to collect coins, the possibilities seem endless. Though some coins are more valuable than others, graded ...