Industry WIKI

Coin cleaning is the controversial process of removing undesirable substances from a coin's surface in order to make it more attractive to potential buyers. Coin cleaning is not advised as it generally decreases its value by removing the coin's patina, the surface valued by collectors. Whether cleaning coins is necessary is a subject disputed among the numismatic community. Those that ar

The Coin of the Year (COTY) is an awards program founded and annually conducted by the American publisher Krause Publications of Iola, Wisconsin, and directed at the coin producing industry. Awards are given for numismatic design, artistic vision and craftsmanship. A panel of international judges chooses the coins from those issued two years prior to the year of the award.

A piggy bank (sometimes penny bank or money box) is a coin container normally used by children, featuring a slot at the top to insert coins or folded bank notes. The piggy bank is known to collectors as a "still bank" as opposed to the "mechanical banks" popular in the early 20th century. These items are also often used by companies for promotional purposes, and many financial service co

The Standard Catalog of World Coins is a series of numismatic catalogs, commonly known as the Krause catalogs. They are published by Krause Publications, a division of Active Interest Media.

The Standard Catalog of World Paper Money was a well-known catalogue of banknotes that was published by Krause Publications in three volumes. These catalogues are commonly known in the numismatic trade as the Pick catalogues, as the numbering system was originally compiled by Albert Pick, but are also referred to as "Krause" or "SCWPM". Since the mid-1980s the titles have been owned by K