The value of a 20 franc gold coin is influenced by several factors:
- Gold Spot Price: This is the current market price of gold and forms the base value of any gold coin. As of August 12, 2025, the live gold spot price is $3364.20 per ounce, or $108.16 per gram.
- Purity and Gold Content: 20 franc gold coins are typically 90% gold, with copper making up the remaining 10%. Higher gold content generally means higher value.
- Rarity and Collectibility: Coins minted in limited numbers, those with historical significance, or those that are harder to find can be more valuable than their melt value. For example, the French Rooster design was minted for a shorter period compared to the Swiss Helvetia, [according to JM Bullion].
- Condition: Coins in excellent condition with minimal wear or blemishes are more valuable than those in poor condition. Professional grading can certify a coin’s condition and impact its value.
- Supply and Demand: During times of economic or political instability, demand for gold coins may increase, leading to higher prices. Conversely, if supply increases, prices may fall.
- 20 French Francs Rooster (1899-1914): Generally available between $640.78 and $672.39, depending on the quantity purchased and the seller.
- [Swiss Gold 20 Francs Helvetia]: Prices range from $669.26 to $672.95, depending on the seller and whether the year is random or specific.
- 20 French Francs Napoleon III (1852-1870): Available from $652.12 to $673.17.
- 20 French Francs Angel (1871-1898): Prices generally fall between $695 and $708.06.
20 franc gold coins can be purchased from various online dealers specializing in precious metals and coins, such as APMEX, JM Bullion, and BullionByPost.com. Local coin dealers or numismatic associations may also be options for both buying and selling.
What is the purity of 20 franc gold?
Good point! 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.
How much gold is in a 20 franc Swiss coin?
Thanks for asking. Coin Highlights:
Contains . 1867 oz actual Gold weight.
Are 20 franc gold coins a good investment?
Great question! The 20 Swiss franc coin combines the appeal of physical gold with a rich history and good liquidity, making it a solid choice for investors in 2025, especially in an uncertain economic environment.