Coin Identifier
Empire 20 Pesos
Mexico 1866 20 Pesos by Second Mexican Empire (coin), National Numismatic Collection (image), via Wikimedia Commons, Public domain
Circulation

Empire 20 Pesos

A gold 20 pesos of the Second Mexican Empire, showing a bearded imperial portrait, the legend IMPERIO MEXICANO, and a crowned heraldic coat of arms.

Country
Mexico
Denomination
20 Pesos
Metal
Gold

Got a coin like this?

Identify any coin from a photo, free.

Overview

The Empire 20 Pesos is a gold coin of the Second Mexican Empire, the short-lived monarchy that governed Mexico in the 1860s. It carries a bearded male portrait in profile facing right, the legend IMPERIO MEXICANO ("Mexican Empire"), and on the other face an ornate crowned coat of arms bearing imperial symbols. The 20 pesos was the large gold denomination of this brief imperial coinage.

As a monarchical issue, the coin looks distinctly different from the republican coinage that came before and after it. Instead of the familiar Mexican eagle-on-cactus with a plain legend, it presents a European-style ruler's bust and a crowned heraldic shield, reflecting the empire's imperial identity. The piece is struck in gold, so it is both a historical artifact and a bullion-bearing coin.

Because the empire lasted only a few years, gold denominations like the 20 pesos were produced in modest quantity and for a short window. Surviving examples are prized as tangible relics of one of the most unusual chapters in Mexican monetary history.

History & Background

The Second Mexican Empire was established in the 1860s when European intervention placed a monarch on a Mexican throne. During this period the mint issued coinage in the name of the empire, replacing republican designs with imperial iconography: a portrait of the emperor and a crowned coat of arms in place of the republic's eagle and legend. The gold coinage included the 20 pesos as its principal high-value denomination.

The empire was politically contested from the start and did not survive the decade. When the monarchy fell, republican coinage resumed and the imperial designs were discontinued. As a result, the Empire 20 Pesos was struck only within this narrow interval, making it a coinage tied to a specific and dramatic moment rather than a long-running series.

Because production was limited and the regime brief, these gold pieces were never abundant. Many circulated or were melted over the years, which is why intact, well-preserved survivors are comparatively scarce and historically significant.

How to Identify

Identify the Empire 20 Pesos by its two defining features together: a bearded male head in right-facing profile, and the imperial legend IMPERIO MEXICANO. The reverse (arms side) shows an elaborate coat of arms topped by a crown and surrounded by imperial ornament, rather than the republic's simple eagle standing on a cactus. The denomination of 20 pesos appears with the design, and a date in the 1860s confirms the imperial period.

The coin is gold, so it has the warm yellow color and the heft expected of a large gold denomination; the 20 pesos is a substantial piece by size and weight. The portrait style is European and realistic, quite different from the stylized national emblems used on ordinary Mexican coins of the era.

Because the empire's coinage is distinctive, the combination of an imperial bust, the IMPERIO MEXICANO legend, and a crowned armorial reverse is the reliable identifier. If a coin shows a plain eagle-and-snake design or a republican legend instead, it is not this imperial type.

Value & Collectibility

As a short-lived imperial gold issue, the Empire 20 Pesos is a scarce and desirable coin, and its value reflects both its gold content and its historical rarity. Even well-worn examples carry meaningful worth from the gold alone, while sharp, high-grade pieces command substantial premiums well above bullion because of their scarcity and collector demand.

Condition, originality of surfaces, and authenticity are the main value drivers. Coins with clear portrait detail, a legible IMPERIO MEXICANO legend, and an undamaged crowned coat of arms are the most sought after. Given the coin's rarity and value, this is a type where independent grading and expert authentication strongly affect price.

Because figures for scarce gold coins move with condition, provenance, and the gold market, prices are best confirmed against recent auction results for comparable graded examples rather than treated as fixed. Any high-value gold coin of this type warrants caution, since desirable rarities attract counterfeits.

Frequently asked questions

Who is on the Empire 20 Pesos?

The obverse shows a bearded male ruler in profile, the emperor of the Second Mexican Empire, paired with the legend IMPERIO MEXICANO. This imperial portrait is what sets the coin apart from Mexico's republican coinage.

Is the Empire 20 Pesos made of gold?

Yes. It is a gold coin and the large gold denomination of the imperial coinage, so it carries both bullion value and significant collector value as a scarce historical issue.

Why is this coin considered rare?

The Second Mexican Empire lasted only a few years in the 1860s, so its gold coinage was struck in modest quantity and for a short time. Many pieces were later worn or melted, leaving relatively few well-preserved survivors.

How is it different from a normal Mexican gold peso?

Republican Mexican coins show the eagle on a cactus with a plain legend. The Empire 20 Pesos instead shows a European-style imperial bust and a crowned coat of arms, reflecting the monarchy rather than the republic.

What does IMPERIO MEXICANO mean?

It is Spanish for "Mexican Empire," the name of the monarchy that issued the coin. The legend, together with the imperial portrait and crowned arms, identifies the piece as a Second Empire issue.