French Second Republic 5 Francs Silver Coin (Ceres Type), 1851-B
Coin/Bullion · Monnaie de Paris (Paris Mint) - Rouen Branch. Minted under the authority of the French Second Republic. The 'B' mint mark denotes the Rouen Mint, active since the medieval period but officially part of the French National Mint system.
Pattern: Ceres Profile (Reverse), designed by Jean-Jacques Barre (General Engraver). Introduced in 1848 following the revolution, production ceased for this type in 1851/52 as Napoleon III transitioned to the Empire style.

Type
Coin/Bullion
Maker
Monnaie de Paris (Paris Mint) - Rouen Branch. Minted under the authority of the French Second Republic. The 'B' mint mark denotes the Rouen Mint, active since the medieval period but officially part of the French National Mint system.
Material
90% Silver (.900 Silver), 10% Copper. This was the standard 'French Coin Silver' purity established by the 1803 monetary law, later forming the basis for the Latin Monetary Union.
Dimensions
Diameter: 37mm; Weight: 25.00 grams (standard minted weight); Thickness: approx 2.5mm. This was the standard 'Crown' size of the period.
Description
An impressive silver 5 Francs piece representing the final year of the Ceres-type Republican coinage before the rise of the Second Empire. The reverse depicts a lush wreath of oak and laurel leaves, symbolizing strength and victory, surrounding the denomination. The silver has developed a natural grey-gold patina typical of mid-19th-century cabinet friction.
Key Features
Rouen 'B' mint mark (more scarce than Paris 'A'); .900 silver purity; Ceres wreath design; 1851 transition year date.
Material & Composition
90% Silver (.900 Silver), 10% Copper. This was the standard 'French Coin Silver' purity established by the 1803 monetary law, later forming the basis for the Latin Monetary Union.
Finish & Decoration
Die-struck with a reeded edge. The reverse features a prominent laurel and oak wreath tied with a ribbon bow. The design includes '5 FRANCS', the year 1851, the 'B' mint mark, and the engraver's privy mark (a greyhound for Barre). Style is Neoclassical with Republican symbolism.
Hallmarks & Stamps
No silver hallmarks as it is legal tender; value is guaranteed by the state. Features a 'B' mint mark (Rouen), a greyhound privy mark (Jean-Jacques Barre), and a hand privy mark (mint director's mark).
Construction Details
Machine-struck using heavy industrial screw presses or early steam presses. The coin is die-struck from planchets (round silver blanks) to ensure uniformity in weight and diameter.
Functional Features
Reeded (milled) edge to prevent 'clipping' or shaving of silver from the edges. High-relief strike for durability in circulation.
Handle & Grip Details
Not applicable (coinage).
Craftsmanship Details
Excellent die-sinking by Jean-Jacques Barre. The symmetry of the wreath and the crispness of the lettering demonstrate the high mechanical standards of the French National Mint during the mid-19th century.
Authentication Indicators
Correct font style for 1851 Rouen strikes; privy marks are positioned correctly; dentils around the rim are sharp and consistent; wear patterns match authentic silver circulation; absence of casting bubbles.
Origin & Manufacturing
France, Rouen Mint. French mints of the 19th century were world leaders in coinage technology and artistic engraving.
Era & Period
French Second Republic (1848–1852). This specific year (1851) is historical as it coincides with the Coup d'état of Louis-Napoléon Bonaparte, marking the end of the Republic.
Age Estimate
Dated 1851. Authentic 19th-century minting.
Cultural Significance
Represents the 'Marianne' or 'Ceres' ideals of the French Republic — Liberty and Plenty. The 25g/90% silver standard influenced the US Morgan Dollar and the Italian Lira.
Condition Notes
Very Fine (VF) to Extremely Fine (EF) detail. Visible wear on the leaf veins and high points of the letters. Moderate natural tarnish (toning) across the fields. No major rim nicks or deep scratches visible in the image. Grade: Very Good.
Value Estimate
$40 - $120 USD depending on the obverse condition (not shown) and local demand. The Rouen (B) mark carries a small premium over the Paris (A) mark.
Care & Maintenance
Do not polish. Numismatic value is heavily tied to the original surface patina. Store in a PVC-free plastic flip or a mahogany coin cabinet. Handle only by the edges to avoid finger oils causing black spots.
Similar Pieces
1851 Paris (A) 5 Francs (more common); 1851 Strasbourg (BB) 5 Francs; Napoleon III 5 Francs (Portrait instead of wreath).
Interesting Facts
The 1851 5 Francs is a 'transition' coin. While this coin says Republic, Louis-Napoléon was already consolidating power; by 1852, his own portrait would replace Ceres on French coinage.