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  2. Token money - Wikipedia

    en.wikipedia.org/wiki/Token_money

    In Ancient Greece and the Roman Empire, copper coins were used for small transactions and were issued a monetary value greater than the value of the metal itself. [3] This established the principle of token money, which is the nature of coinage in contemporary society. [3] Plato distinguished between tokens and commodities. [8]

  3. Professional Coin Grading Service - Wikipedia

    en.wikipedia.org/wiki/Professional_Coin_Grading...

    PCGS keeps a comprehensive record, known as a census, of all the coins they have graded since their establishment. This census provides details about the grades, varieties, and specific designations assigned to each coin issue. For instance, designations like "prooflike" for Morgan dollars or "full bands" for Mercury dimes are included.

  4. Token coin - Wikipedia

    en.wikipedia.org/wiki/Token_coin

    In numismatics, token coins or trade tokens are coin-like objects used instead of coins. The field of token coins is part of exonumia and token coins are token money . Their denomination is shown or implied by size, color or shape.

  5. Amazon Coins - Wikipedia

    en.wikipedia.org/wiki/Amazon_Coins

    Amazon Coins is a digital payment method created by Amazon.com. Currently, the coins can only be used to purchase software and for microtransactions on apps downloaded from the Amazon Appstore on Kindle , Kindle Fire , and Android devices.

  6. Glossary of numismatics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_numismatics

    Also called Communion tokens. Tokens generally issued initially by Scottish parishes (die stamped one-side only to show the parish) and later in the United States and Canada. They were square or oblong, made of lead, iron or brass and measured 1/4" to 1". [4] circulated A term used to indicate a coin that has wear. clad coinage

  7. List of United States commemorative coins and medals (1900s)

    en.wikipedia.org/wiki/List_of_United_States...

    Face value Coin Obverse design Reverse design Composition Mintage Available Obverse Reverse $1: Louisiana Purchase Jefferson dollar: Thomas Jefferson

  8. Exonumia - Wikipedia

    en.wikipedia.org/wiki/Exonumia

    Tokens have been used for both to advertise and to facilitate commerce and may or may not have a value. Token authority Russell Rulau offers a broad definition for exonumia in his 1040 page tome, UNITED STATES TOKENS: 1700–1900 [4] but lines between categories can be fuzzy. For example, an advertising token may also be considered a medal.

  9. Company scrip - Wikipedia

    en.wikipedia.org/wiki/Company_scrip

    Microtransactions are often used in free-to-play games to provide a revenue source for the developers. While microtransactions are a staple of the mobile app market, they are also seen on PC software such as Valve 's Steam digital distribution platform, as well as console gaming, where the consumer cannot generally convert the purchases back ...