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What is the value of a 20 Francs Marianne COQ gold coin today?
Price updated on 07/23/2026, 04:00 PM
Total weight
6.4516g
Purity
900‰
Pure Gold
5.8064g
Gold price
130.27 $/g
Intrinsic Value
$756.42
5.8064g × 130.27 $/g × 1 = 756.42 $
20 Francs Marianne COQ price evolution
Intrinsic value based on the gold price
756.42 $
+0.90% (1M)
High 779.10 $
Low 738.11 $
Change +6.72 $
How much does a 20 Francs Marianne COQ gold coin weigh?
The 20 Francs Marianne COQ coin has a total weight of 6.4516 grams. This weight includes the coin's complete alloy.
Taking its purity of 900‰ (90.0%) into account, this coin contains exactly 5.8064 grams of pure gold.
6.4516g
Total weight
5.8064g
Pure Gold
What is the purity of a 20 Francs Marianne COQ gold coin?
The 20 Francs Marianne COQ coin has a purity of 900 thousandths, i.e. 90.0% fine gold.
This purity is characteristic of coins struck in France between 1898-1914. The rest of the alloy (10.0%) is generally composed of copper to strengthen the coin's durability.
Gold
90.0%
Alloy
10.0%
Other characteristics
Issuing country
🇫🇷 France
Minting years
1898-1914
Diameter
21 mm
Face value
20 Francs
Mintage
117000000
Edge
Relief
Metal
Gold
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