> The 50 francs Hercule silver coin (1974-1980) weighs 30 g at 900 fineness, i.e. 27 g of fine silver. Its buyback value equals the fine weight times the day *Source : https://meilleur-rachat-argent.fr/en/guides/50-francs-hercule-silver-coin/* --- ● Guide # 50 francs Hercule silver coin: weight, value, buyback Published on **23/07/2026** · By **Sébastien Joumel** In brief The 50 francs Hercule silver coin (1974-1980) weighs **30 g at 900 fineness, i.e. 27 g of fine silver**. Its buyback value equals the fine weight times the day's spot price; a numismatic premium is rare on this common coin. ## Features of the 50 F Hercule silver coin The 50 francs Hercule silver coin was struck from **1974 to 1980**. It shows Dupré's sculptural group of Hercules between Liberty and Equality. Each coin weighs **30 g** at a fineness of **900**, giving a fine weight of 30 × 0.900 = **27 g of pure silver**. It is a circulation coin with a high silver content, very common in France. Except for a particularly rare year or exceptional condition, it is sought mainly for its **metal** rather than for collector value. Do not confuse it with the 50 franc coins issued after 1980 in other alloys, containing no silver. ## Calculating the buyback value The metal value of a 50 F Hercule silver coin is calculated as: **27 g of fine × the day's silver price**. The world spot is the same for every buyer; the gap between two offers comes from the professional's margin. For a batch, multiply 27 g by the number of coins to get the total fine weight. To place a buyback offer, compare it with this fine weight times the current spot. Our [silver buyback](https://meilleur-rachat-argent.fr/en/silver-buyback/) page lets you put professionals in competition. The method is the same for other French coins, such as the [10 francs silver coins](https://meilleur-rachat-argent.fr/en/guides/10-francs-silver-coin/). ## Premium, condition and buyback terms A **numismatic premium** remains rare on the 50 F Hercule silver coin, struck in large quantities. Some more sought-after years or coins in "mint state" can be exceptions, but most transactions are at metal value. A heavily worn coin keeps its weight and therefore its silver value. At buyback, the professional checks the year, weighs the coin and confirms the fineness, then applies its schedule. Payment is made by bank transfer or cheque above cash limits, with ID and register entry. There is no need to aggressively clean the coin: it does not change the fine weight and may devalue it in a collector's eyes. ## Frequently asked questions How much fine silver is in a 50 francs Hercule? The 50 F Hercule silver coin weighs 30 g at 900 fineness, i.e. 27 g of fine silver. Its metal value is calculated by multiplying that fine weight by the day's spot price. Are all 50 franc coins silver? No. Only the 50 francs Hercule struck from 1974 to 1980 contain silver (900 fineness). Other 50 franc coins are in alloys with no silver value. ## Read also [ Guide 10 francs silver coins (Turin, Hercule): buyback value ](https://meilleur-rachat-argent.fr/en/guides/10-francs-silver-coin/)[ Guide 5 francs silver coins (Semeuse, Hercule): metal value ](https://meilleur-rachat-argent.fr/en/guides/5-francs-silver-coin/)[ Guide Silver American Eagle: features and value ](https://meilleur-rachat-argent.fr/en/guides/silver-american-eagle-value/) ## Sell at the best price near you Compare the silver buyers in your city. [See the rankings](https://meilleur-rachat-argent.fr/en/silver-buyback/)