Precious metal coins valued for metal content over collectibility. Examples are American Gold & Silver Eagles.
Special minting process using polished planchets and dies to create coins with sharp details and mirror-like surfaces.
Refers to coins showing no wear from circulation. Mint luster and details fully present.
U.S. gold coins made before 1933 when coinage production stopped. Highly sought-after.
Defective coins made incorrectly. Off-center strikes, clipped blanks etc. Add premium value for collectors.
Finding undergraded or rare coins that hold more value than sale price. Requires sharp eye.
Evaluating a coin's condition. Grades range from poor to mint state based on wear, luster etc. Impacts value.