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  2. Napoléon (coin) - Wikipedia

    en.wikipedia.org/wiki/Napoléon_(coin)

    The coins were originally minted in two denominations, 20 and 40 francs for Napoléon Bonaparte. The 40-franc gold piece did not become popular. [8] The 20 franc coins are 21 mm in diameter (about the size of a U.S. five-cent piece or a Swiss 20 Rappen coin), weigh 6.45 grams (gross weight) and; at 90% pure, contain 0.1867 troy ounces (5.807 g) of pure gold.

  3. Vreneli - Wikipedia

    en.wikipedia.org/wiki/Vreneli

    The coin exists in three denominations, of 10, 20 and 100 francs. The 20 franc coin was produced from 1897 to 1949 with a total issue of 58.6 million pieces. It replaced an earlier design of gold coin minted from 1883 to 1896. The 10 franc version was minted from 1911 to 1922 (total issue 2.6 million pieces), and the 100 franc version was ...

  4. Coins of the Swiss franc - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_Swiss_franc

    In 1925, 5,000 pieces of a 100 francs version were minted. The first series of banknotes, issued 1907, included no 10 or 20 francs denomination. The gold coins existed in circulation alongside the corresponding banknotes during 1911–1936. With the devaluation of 1936, the gold value of the 20 franc coin rose to 28 francs.

  5. Swiss franc - Wikipedia

    en.wikipedia.org/wiki/Swiss_franc

    Gold coins in denominations of 10, 20, and 100 francs, known as Vreneli, circulated until 1936. [58] Both world wars only had a small effect on the Swiss coinage, with brass and zinc coins temporarily being issued. In 1931, the mass of the 5 franc coin was reduced from 25 grams to 15, with the silver content reduced to .835 fineness.

  6. Louis d'or - Wikipedia

    en.wikipedia.org/wiki/Louis_d'or

    Half Louis d’or of Louis XIII (1643) [nb 2] The Louis d'or (a gold coin) replaced the franc which had been in circulation (in theory) since John II.In actual practice the principal gold coin circulating in France in the earlier 17th century had been Spanish: the 6.7-gram double escudo or "doubloon", of which the Louis d'or was an explicit copy.

  7. Bimetallism - Wikipedia

    en.wikipedia.org/wiki/Bimetallism

    Weight 6.41 and 24.94 g. The ratio of gold to silver 1:15.5. A French law of 1803 granted anyone who brought gold or silver to its mint the right to have it coined at a nominal charge in addition to the official rates of 200 francs per kilogram of 90% silver, or 3100 francs per kilogram of 90% fine gold. [17]