French Gold 20 Francs Napoléon III (Empereur) Coin

Gold Coin (Numismatic/Bullion) · Yellow Gold (Copper Alloy for durability, giving it a slightly warmer reddish-yellow tone)

Purity: 22K / 90.0% Fineness (.900 gold). This alloy provides durability compared to 24K gold.

French Gold 20 Francs Napoléon III (Empereur) Coin

Type

Gold Coin (Numismatic/Bullion)

Purity

22K / 90.0% Fineness (.900 gold). This alloy provides durability compared to 24K gold.

Gold Type

Yellow Gold (Copper Alloy for durability, giving it a slightly warmer reddish-yellow tone)

Weight

6.45 grams (Gross weight); Contains 5.806 grams (0.1867 troy oz) of fine gold.

Description

A historic French 20 Francs gold coin featuring the profile of Emperor Napoléon III. These coins were the workhorses of the Latin Monetary Union and remain a staple for European gold investors today.

Key Features

Profile of Napoléon III, circular legend in French, laurel crown (if late era), and the 'Empire Français' reverse with year plate.

Color & Finish

Deep yellow with a reddish-gold patina; dull matte surface due to heavy circulation and storage condition.

Hallmarks & Stamps

French Mint Marks (A for Paris or mint-specific privy marks); Obverse: 'NAPOLÉON III EMPEREUR'; Reverse: 'EMPIRE FRANÇAIS' and denomination.

Dimensions Estimate

Diameter of 21 mm; Thickness of 1.3 mm.

Gemstones & Inlays

None. Standard minted currency design.

Clasp & Closure

Reeded edge for security and to prevent 'clipping' of the precious metal.

Chain & Links

Not applicable; single struck coin with reeded edges.

Craftsmanship Details

Die-struck production; consistent thickness and centered strike characteristic of mid-19th century industrial minting.

Authentication Indicators

Weight (approx. 6.45g) is the primary indicator; specific gravity; distinct French mint style and font. *Note: Heavily toned coins should be checked for plating.*

Origin & Maker

France; various mints including Paris (A) or Strasbourg (BB).

Era & Period

Second French Empire (1852–1870), specifically the 'Laureated Head' or 'Bare Head' subtype.

Age Estimate

Produced between 1852 and 1870 (19th Century).

Cultural Significance

Represents the height of French imperial power and the attempted standardization of European currency under the Latin Monetary Union.

Condition Notes

Fair to Good. Visible surface wear, significant toning/dirt, and lack of luster suggest a 'Circulated' grade (Fine to Very Fine).

Value Estimate

Primarily valued for its gold content (melt value) plus a small numismatic premium (3-8%) depending on the spot price of gold.

Care & Maintenance

Do not clean with abrasives. Store in an acid-free PVC-free flip or capsule to prevent further oxidation/toning.

Similar Items

Swiss 20 Francs Vreneli, Lucky Angel 20 Francs, Belgian 20 Francs Leopold II.

Interesting Facts

The 20 Francs gold coin was so standard that it led to the 'Vreneli' and other European gold coins following the exact same weight and purity standards.

Identified on 5/17/2026