French Gold 20 Francs (Napoleon III / Ceres / Genius Type)
Coin (Numismatic/Bullion) · Yellow Gold (Classic deep coin gold alloy with copper for durability)
Purity: 900 Fine (21.6K) containing 90% pure gold and 10% copper alloy
Type
Coin (Numismatic/Bullion)
Purity
900 Fine (21.6K) containing 90% pure gold and 10% copper alloy
Gold Type
Yellow Gold (Classic deep coin gold alloy with copper for durability)
Weight
6.45 grams (Total weight), 0.1867 troy oz AGW (Actual Gold Weight) per coin
Description
A group of three classic 20 Francs gold coins, widely known as 'Napoleons.' These pieces represent the backbone of the Latin Monetary Union and were staple trade currency throughout Europe. The reverse typically features a laurel wreath surrounding the denomination or the French coat of arms, symbolizing the prestige of the French Empire and Republic.
Key Features
Standard 21mm diameter; high relief heraldic shield and wreath motifs; sharp reeded edges designed to prevent 'clipping' of the gold content.
Color & Finish
Deep warm yellow naturally aged; Circulated luster with areas of toning and surface oxidation typical of historic French gold
Hallmarks & Stamps
Varies by type: Mint marks (A for Paris, BB for Strasbourg), Designer signatures (Barre, Merley, or Dupré), and '20 FRANCS' denomination
Dimensions Estimate
21mm Diameter, 1.3mm Thickness
Gemstones & Inlays
None (Standard strike coinage)
Clasp & Closure
Reeded edge (serrated) or lettered edge depending on specific year/type
Chain & Links
N/A (Solid planchet construction)
Craftsmanship Details
Precision die-struck on hand-fed or steam-powered presses; exhibits characteristic high-pressure metal flow lines on the fields.
Authentication Indicators
Weight consistency (6.45g), 21mm diameter, specific 'ping' resonance when tested, and crispness of the edge reeding which is difficult for cast counterfeits to replicate.
Origin & Maker
France; Monnaie de Paris (Paris Mint) or various provincial French mints
Era & Period
Mid-to-Late 19th Century (Second Republic/Second Empire / Third Republic)
Age Estimate
Circa 1848–1914 production
Cultural Significance
A symbol of French economic dominance and the Napoleonic era; these coins are frequently gifted in Europe for weddings and births as a store of generational wealth.
Condition Notes
Very Good to Fine (VG-F) circulated condition; visible surface marks, peripheral rim dings, and softened details on the high points of the shield design.
Value Estimate
Approximately $420 - $480 USD per coin based on current gold spot price; premium is low (3-8%) unless a rare date or mint mark is identified.
Care & Maintenance
Do not clean or polish as this destroys numismatic value. Store in PVC-free flips or capsules to prevent environmental toning and physical scratches.
Similar Items
Swiss 20 Francs (Vreneli), Italian 20 Lire, Belgian 20 Francs, and British Sovereign (though the Sovereign is heavier at 7.98g).
Interesting Facts
The 20 Franc piece was the legal basis for the Latin Monetary Union, which allowed countries like Switzerland, Italy, and Belgium to circulate compatible gold coins.