French Empire Napoleon III 50 Francs Gold Coin (Strasbourg Mint)
Coin/Bullion · Monnaie de Paris (Paris Mint), struck at the Strasbourg branch mint under the authority of Napoleon III.
Pattern: Napoleon III Laureate Head reverse (Imperial Arms design)
Type
Coin/Bullion
Maker
Monnaie de Paris (Paris Mint), struck at the Strasbourg branch mint under the authority of Napoleon III.
Material
90% Gold, 10% Copper (Standard .900 French coinage gold). Gross weight is approximately 16.13 grams with 14.51 grams of pure gold.
Dimensions
Diameter: 28 mm; Weight: 16.129 grams; Thickness: approximately 1.8 mm.
Description
This 1866 50 Francs gold coin represents the height of the Second French Empire's economic power. The reverse displays the intricate Imperial Arms, a symbol of Napoleon III's authority and the lineage of the Bonaparte family. Struck in Strasbourg, known for its high-quality minting, this coin is a cornerstone of 19th-century European numismatics.
Key Features
BB Mint Mark (Strasbourg), 50 Franc denomination (less common than the 20 Francs), Imperial Mantle design, and .900 gold fineness.
Material & Composition
90% Gold, 10% Copper (Standard .900 French coinage gold). Gross weight is approximately 16.13 grams with 14.51 grams of pure gold.
Finish & Decoration
Circulated gold luster with die-struck relief. Features the Imperial Coat of Arms of the Second French Empire: a shield with an eagle holding a thunderbolt, surrounded by the collar of the Légion d'honneur, set against an imperial mantle topped with a crown.
Hallmarks & Stamps
Mint mark 'BB' (Strasbourg), '50 FR' (Denomination), '1866' (Date), and the Bee privy mark (Director Albert-Désiré Barre) and Anchor privy mark (Engraver General).
Construction Details
Machine die-struck on a prepared gold planchet with a reeded edge.
Functional Features
Legal tender currency of the Second French Empire; reeded edge to prevent 'clipping' or shaving of precious metal.
Handle & Grip Details
Not applicable (numismatic item).
Craftsmanship Details
Masterful engraving by Jean-Jacques Barre; precise die-striking shows exceptional detail in the cross atop the crown and the feathers of the eagle.
Authentication Indicators
Correct typography for the era, sharp detail in the Légion d'honneur collar, accurate privy marks for the year 1866, and consistent reeding on the edge.
Origin & Manufacturing
France, Strasbourg Mint (indicated by the 'BB' mint mark).
Era & Period
Second French Empire (Napoleonic Era), specifically the Laureate Head period of Napoleon III's reign (1861–1870).
Age Estimate
Dated 1866.
Cultural Significance
Represents the transition of France into a modern industrial power and the stabilization of the French currency before the Franco-Prussian War.
Condition Notes
Appears to be in Very Fine to Extra Fine (VF-XF) circulated condition. Notable toning/oxidation (common for French gold of this era), minimal rim dings, and visible wear on the high points of the crown and eagle.
Value Estimate
$950 - $1,200 USD depending on the daily gold spot price and numismatic premium for the Strasbourg 'BB' mint mark.
Care & Maintenance
Do not polish or clean with abrasives; store in a PVC-free plastic capsule (as seen in background) to prevent scratches and environmental damage. Handle only by the edges.
Similar Pieces
1866 20 Francs (smaller, same design), 1866 100 Francs (larger, more rare), and Swiss Vreneli gold coins (similar gold content but different era).
Interesting Facts
Napoleon III was the nephew of Napoleon Bonaparte; through the Latin Monetary Union, these coins influenced the gold standards across much of Europe and the Mediterranean.