French 100 Francs Hercules Coin - Silver Composition Red Flag Analysis
Coin (Numismatic/Bullion Type) · None Visible - The item displays a metallic grey/silver luster with significant dark oxidation (tarnish) characteristic of silver or base metal, not gold alloys.
Purity: N/A - Item appears to be silver-colored; historically this design (Hercules Union) is struck in .900 silver (100 Francs) or .835 silver (50 Francs), not gold.
Type
Coin (Numismatic/Bullion Type)
Purity
N/A - Item appears to be silver-colored; historically this design (Hercules Union) is struck in .900 silver (100 Francs) or .835 silver (50 Francs), not gold.
Gold Type
None Visible - The item displays a metallic grey/silver luster with significant dark oxidation (tarnish) characteristic of silver or base metal, not gold alloys.
Weight
Estimated 15.0 to 22.2 grams (The authentic silver 100 Francs weighs 15g, the 50 Francs weighs 30g).
Description
A classic French numismatic design featuring Hercules standing between the allegories of Liberty (carrying a pike) and Equality (carrying a level). This 'Hercules Group' motif is a foundational symbol of the French Republic.
Key Features
Hercules wearing the Nemean lion skin, flanked by Liberty and Equality; Dupré signature motif; beaded border and 'Liberté Égalité Fraternité' motto.
Color & Finish
Dull metallic grey with heavy dark patina and peripheral toning; surface shows matte wear consistent with circulated silver or aged base metal.
Hallmarks & Stamps
Inscribed 'LIBERTÈ ÉGALITÉ FRATERNITÉ' with the engraver mark 'Dupré' in cursive at the base; authenticity depends on the reverse markings (year/denomination).
Dimensions Estimate
Estimated 31mm (100 Francs) or 41mm (50 Francs) diameter; standard thickness for French Second/Third Republic coinage.
Gemstones & Inlays
None; traditional die-struck numismatic relief.
Clasp & Closure
Reeded edge (assumed based on type); no jewelry clasp present.
Chain & Links
N/A; circular coin form with a raised beaded rim.
Craftsmanship Details
Standard industrial die-striking; notable for the neoclassical anatomical detail of Hercules and the drapery of the female figures' garments.
Authentication Indicators
The heavy dark tarnish (silver sulfide) is a strong indicator of silver content or silver-plating; gold does not tarnish in this manner. Verify weight and diameter against official Monnaie de Paris specs.
Origin & Maker
Monnaie de Paris (Paris Mint), France (if authentic).
Era & Period
Modern reproduction or 1970s-mid 1980s issue of the 19th-century 'Hercules' design originally by Augustin Dupré.
Age Estimate
Likely minted between 1974-1980 for the Hercules silver series, or a later non-precious commemorative.
Cultural Significance
Represents the core values of the French Republic: Liberty, Equality, and Fraternity, united by the strength of the French people (personified by Hercules).
Condition Notes
Very Good (Circulated); heavy surface oxidation, some spotting near the bottom rim, and contact marks on the high points of the figures.
Value Estimate
Intrinsic melt value of silver (~$12-$25 depending on exact weight/spec) plus a small numismatic premium; if base metal, value is minimal/sentimental.
Care & Maintenance
Do not clean or polish numismatic items as it destroys collector value; store in a PVC-free coin flip or capsule.
Similar Items
50 Francs Hercules (larger/heavier), 10 Francs Hercules, or the modern 5 Euro Hercules silver commemoratives.
Interesting Facts
The Hercules design was first used during the French Revolution (Year 4) and has been resurrected multiple times during the Second and Third Republics to symbolize French unity.