Mexican 5 Pesos Bimetallic Coin 1998: Value Guide

If you inherited or found a Mexican 5 pesos coin dated 1998 (the two-tone one with a gold-colored ring around a silver-colored center), the honest answer is this: in circulated condition it is worth about face value, roughly 25 to 30 US cents at current exchange rates. This is a modern circulating coin, not a rare silver piece. The pieces that sell for real money are uncirculated examples and genuine mint errors.

Let us clear up the biggest myth first. This coin is not silver and not gold. It is bimetallic, meaning two base-metal alloys pressed together for a two-color look. There is no precious metal floor here, so it has no melt value worth chasing. What you have is a common circulation coin from the Casa de Moneda de México (the Mexican Mint, which uses the "Mo" mint mark).

What it actually is

The 1998 issue belongs to the 5 Pesos Bimetallic series, part of the coinage introduced after Mexico's 1996 currency reform (the "Nuevos Pesos" era). It carries a satin finish and the standard national design.

• Obverse (front): The Mexican national coat of arms, an eagle devouring a serpent while perched on a cactus, in high relief at the center, with "ESTADOS UNIDOS MEXICANOS" arched above.
• Reverse (back): A large "5" denomination in the center, the year 1998, and the "Mo" mint mark of the Mexican Mint.

Specifications

Feature	Detail
Denomination	5 pesos
Year	1998
Weight	7.07 grams
Diameter	25.5 mm
Composition	Bimetallic (base metals)
Edge	Reeded
Mint	Casa de Moneda de México (Mo)

How much is it worth?

Value depends entirely on condition and whether it is still sealed in an original Banxico blister pack.

Condition	Approximate value (USD)
Circulated (worn, from pocket change)	Face value, about 0.25 to 0.30
Uncirculated	A small premium, roughly 1 to 3
Sealed original mint pack	Higher, depending on demand
Genuine, verified mint error	Can be multiples of face, case by case

A worn 1998 five-peso coin from a jar of change is a spender, not a collectible. Where the number moves is a coin that never circulated: crisp, full luster, no bag marks. Even then, we are talking a few dollars, not a fortune. Check your piece against our coin grading guide before assuming anything.

The error coin question

This is where people get excited, and where most get disappointed. Genuine minting errors (off-center strikes, die rotation, double strikes, verifiable die varieties) can multiply the value of an otherwise ordinary coin. That part is real.

The catch: the vast majority of "errors" people post online are post-mint damage, dents, scratches, corrosion, or wear, not factory mistakes. Those add nothing and often subtract from value. If you think you have a true error, photograph it clearly and post it in the Pesoteca forum so the community can confirm before you get your hopes up.

How to tell if yours is genuine

Counterfeits of low-value circulation coins are uncommon, but if you want to verify:

1. Weigh it on a jewelry scale. It should be 7.07 grams.
2. Measure the diameter with calipers. It should be 25.5 mm.
3. Check the details. Genuine coins have sharp relief and clean color separation between the ring and the center. Fakes tend to show flat detail, wrong weight, or colors that bleed across the seam.

Where to sell it

If your coin is just circulated pocket change, the simplest path is to spend it or exchange it. For an uncirculated or possible error piece, use a verified numismatic shop from the Pesoteca directory for an on-the-spot appraisal, or list it in the buy-and-sell forum among collectors. Photograph the obverse, reverse, and edge, and compare against the ranges above before you sell. Skip dumping it on social media to the first offer.

Have a 1998 five-peso coin you think might be an error or an uncirculated keeper? Post your photos in the Pesoteca forum and let collectors weigh in.

When Banxico dropped the N$ prefix from the peso starting in 1996, the circulating pieces kept the same physical format as their Nuevos Pesos equivalents from the decree of June 22, 1992. This bimetallic 5-peso coin minted in 1998 is part of that continuity: same technical specifications, same base design with the National Coat of Arms on the obverse, only the visible face value on the reverse changed. That's why, when you line up the dates, you see long sequences with very little variation.

For the Mexican collector building a collection by year, these pieces are the ones that fill the basic gaps before hunting the rare commemorative versions. Banxico documents the mintages in its Circular Monetaria CM10 from the year 2000 onward, so for 1998 it is possible to 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.