Definition: A die that has lost detail due to extended use. Dies were often used until they wore out, or were excessively cracked or broken. Coins struck from worn dies often appear to be weakly struck, however, they are not caused by low striking pressure.
Articles by pnumis_admin
Definition: A hub created from a master die that is used to create the working dies.
Definition: A die created from a working hub that is used to strike coins.
Definition: An effect whereby a thin, wire-like section of the rim of a coin is raised above the rest of the rim along the outside. This effect is typically caused by very high striking pressure, and tends to occur mostly on proof and high relief strikings.
Definition: An artificial process whereby the surface of a coin is buffed to give it the appearance of having natural cartwheel lustre.
Definition: Synonym for “counting machine mark.”
Definition: Visible erosion of metal, usually beginning from the highest points of a coins. Eventually, lettering, details, or entire devices are obliterated. Wear should not be confused with a weak strike. It is possible for a worn coin to have more detail than a weakly struck mint state coin.
Definition: Refers to a coin that does not show its intended detail because of low striking pressure or improperly aligned dies.
Definition: Term for the wavy finish seen on the surfaces of most close-collar Proof coins.
Definition: Quarter dollar first struck in 1932, as a circulating commemorative coin to celebrate the two-hundredth anniversary of George Washington’s birth. It was designed by Laura Gardner Frazier and was a continuing series from 1934 through 1998 (with a special Bicentennial reverse in 1976). For 1999, the obverse was redesigned…