5 Pesos Bimetallic Coin (2004): Value & Facts

If you inherited or found a Mexican 5 pesos bimetallic coin dated 2004, here is the honest answer: in worn condition it is worth its face value, roughly 25 cents US at current exchange rates. This is a common circulating coin, not a rare find. But a truly uncirculated example, or a genuine mint error, can be worth more. Here is what drives the value in 2026.

What this coin is

The 5 pesos from 2004 is a bimetallic coin: an outer ring of one metal color around a center core of a different color, which gives it the two-tone look. It weighs 7.07 grams, measures 25.5 mm across, and has a reeded (grooved) edge. It was struck by the Casa de Moneda de México, Mexico's national mint.

The design shows the Mexican national coat of arms (an eagle on a cactus) on the front, and the denomination on the back. It belongs to the family of coins launched after Mexico's 1992 currency reform, when the "Nuevo Peso" arrived and the higher denominations became bimetallic so people could tell them apart at a glance. The 5 pesos is one of the values that circulates most in daily use, so the design stayed the same year after year. The 2004 is simply one of those ordinary annual issues.

Is it worth money?

For most people the answer is no, not beyond face value. Because this coin circulated heavily, a worn 2004 example is extremely easy to find. Millions were struck for everyday commerce. Age alone does not make a coin valuable, and 2004 is recent by numismatic standards.

Where value appears is condition. A coin that never circulated, with the original luster on the core intact and no bag marks or scratches, is worth more to collectors than the worn ones rattling around in change. The difference between a beat-up piece and a pristine one can be several times face value, though we are still talking about a modest amount for most collectors, typically a few dollars for a clean uncirculated example rather than face value.

Detail	Specification
Denomination	5 pesos
Year	2004
Composition	Bimetallic (ring + center core)
Weight	7.07 g
Diameter	25.5 mm
Edge	Reeded
Mint	Casa de Moneda de México
Value (worn)	Face value, about 0.25 USD
Value (uncirculated)	A few dollars, condition-dependent

The exception: mint errors

Genuine mint errors (off-center strikes, die rotation, double strikes, and other verified varieties) can multiply the value of a piece. Be careful here: most of the "errors" people post online are post-mint damage (dings, corrosion, wear), not factory errors. A real error has to be present from the moment the coin was struck. If you think you have one, it is worth having it checked before you get excited.

Where this coin fits for collectors

The appeal of a date like 2004 is not rarity. It fits into a modern circulating coin collection by date, where the goal is to complete the run with clean examples. Completing that kind of series with high-grade pieces is where the interest lies, not in any single 2004 coin being scarce.

How to check what yours is worth

1. Confirm the condition. Look at the luster and the surface. Any circulation wear, and it is a face-value coin. If it looks factory-fresh with full shine on the core, it may be worth showing to a collector.
2. Verify it is genuine. Weigh it on a jewelry scale and measure the diameter with calipers. Compare against the specs above: 7.07 g and 25.5 mm. Fakes usually have the wrong weight or diameter, flat relief, or the two colors sitting in the wrong places.
3. Get eyes on it. Photograph the front, back, and edge in good light, then post it in the Pesoteca forum for the community to weigh in on condition and any possible error.

Got a jar of Mexican coins from a trip or an inheritance and not sure which ones matter? Post clear photos in the Pesoteca forum and let collectors tell you which are keepers and which are pocket change.

When Banxico dropped the N$ prefix from the peso starting in 1996, circulating pieces kept the same physical format as their Nuevos Pesos equivalents from the decree of June 22, 1992. This bimetallic 5-peso coin struck in 2004 is part of that continuity: same technical specifications, same base design with the National Coat of Arms on the obverse, only the face value visible on the reverse changed. That's why lining up dates reveals long runs with very little variation.

For the Mexican collector building a year-by-year set, these pieces fill the basic gaps before you go hunting for the rare commemorative versions. Banxico has documented mintages in its Monetary Circular CM10 since the year 2000, so for 2004 you can verify the exact mintage against that source. Pesoteca catalogs each year as a distinct physical piece in the PSM System family C, following our convention of one ID per collectible piece, not per shared design.