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  2. Silver hallmarks - Wikipedia

    en.wikipedia.org/wiki/Silver_hallmarks

    "The words "silver" and "sterling silver" describe a product that contains 92.5% pure silver. Silver products sometimes may be marked 925, which means that 925 parts per thousand are pure silver. Some jewellery described as "silver plate" has a layer of silver applied to a base metal. "Coin silver" is used for compounds that contain 90% pure ...

  3. Chop marks on coins - Wikipedia

    en.wikipedia.org/wiki/Chop_marks_on_coins

    Chop marks on coins are Chinese characters stamped or embossed onto coins by merchants in order to validate the weight, authenticity and silver content of the coin. Depending on particular technique coins said to have been "chopmarked", " countermarked " and "counterstamped".

  4. Silver standards - Wikipedia

    en.wikipedia.org/wiki/Silver_standards

    The coin silver standard in the United States was 90% silver and 10% copper, as dictated by US FTC guidelines. However, in silversmithing, coins could come from other nations besides the United States, and thus coin silver objects could vary from 750 millesimal fineness (75% silver) to 900 (90% silver). Coins were used as a source of silver in ...

  5. List of silver coins of the German Empire - Wikipedia

    en.wikipedia.org/wiki/List_of_silver_coins_of...

    The 3 Mark coins are 16.667 grams in weight and have a diameter of 33 mm. The 5 Mark coins are 27.778 grams in weight and have a diameter of 38 mm. In general a Mark represented 5 grams of silver. A 5 Mark silver coin thus contained 25 g silver; by contrast there were also 5 Mark gold coins with a content of 1.79 g of gold.

  6. Mark (currency) - Wikipedia

    en.wikipedia.org/wiki/Mark_(currency)

    The mark used in the market of Cologne (Cologne mark: 233.856 g, 8.2490 oz) was used to define the value of the official gold and silver currencies of the Holy Roman Empire including the Reichsthaler silver coin. In 1566, a Reichsthaler was introduced of which 9 were to be minted from a Cologne mark of fine silver.

  7. Karshapana - Wikipedia

    en.wikipedia.org/wiki/Karshapana

    The local silver punch-marked coins, included in the Bhabhuā and Golakpur finds, were issued by the Janapadas and were in circulation during the rule of the Brihadratha dynasty which was succeeded by the Haryanka dynasty in 684 BCE; these coins show four punch-marks - the sun-mark, the six-armed symbol, arrows (three) and taurine (three) which ...

  8. Silver coin - Wikipedia

    en.wikipedia.org/wiki/Silver_coin

    As with all collectible coins, many factors determine the value of a silver coin, such as its rarity, demand, condition and the number originally minted. Ancient silver coins coveted by collectors include the Denarius and Miliarense, while more recent collectible silver coins include the Morgan Dollar and the Spanish Milled Dollar.

  9. Maria Theresa thaler - Wikipedia

    en.wikipedia.org/wiki/Maria_Theresa_thaler

    The coin remains popular in North Africa and the Middle East to this day in its original form: a silver coin with a portrait of the ruler on the front and the Habsburg Double Eagle on the back. [8] In the United Kingdom, the Maria Theresa thaler bearing the date of 1780 is a "protected coin" for of Part II of the Forgery and Counterfeiting Act ...

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