Mexico 5 Pesos 2009 Servando Teresa de Mier: Value & Prices

If you found a 2009 Mexican 5 pesos coin with the name Servando Teresa de Mier on it, here is the honest answer: the regular circulating version is worth roughly its face value, about 25 to 30 US cents in 2026, and only a few dollars to a collector. The special silver proof version, the one that came sealed in a Banxico case, is the one worth real money, generally 15 to 40 USD depending on condition.

This is one of dozens of 5 peso commemoratives Mexico struck for its 2010 Bicentennial celebrations. Because the mintage was in the millions for the circulating type, age alone does not make it valuable. What matters is which version you have.

Which version do you have?

There are two completely different coins with the same design, and telling them apart decides whether you have pocket change or a small collector item.

The circulating version is the one that showed up in change across Mexico. It is bimetallic: an aluminum-bronze outer ring around a center core. This is the common one. In everyday condition it is worth face value. Even in pristine, uncirculated shape it typically sells for 1 to 5 USD.

The proof version is the collector coin. Its center core is .925 sterling silver, it has a mirror-like finish, and it was sold by Banxico inside a presentation case with a certificate. If yours came sealed in a capsule or case, this is the one to hold onto. These trade for roughly 15 to 40 USD, more if the packaging is intact and the coin is flawless.

Specifications

Feature	Detail
Denomination	5 pesos
Year	2009
Weight	9.76 g
Diameter	30.52 mm
Edge	Plain (smooth)
Composition	Aluminum-bronze ring, center core sterling silver .925 (proof)
Finish	Proof (encapsulated) and regular circulation
Series	Bicentennial of Mexican Independence

What is it worth?

Version	Condition	Approx. value (USD)
Circulating	Worn / used	Face value (about 0.25 to 0.30)
Circulating	Uncirculated	1 to 5
Proof (silver)	Loose, no case	12 to 20
Proof (silver)	Sealed with case and certificate	25 to 40

These are collector-market ranges, not guarantees. Prices move with the silver spot price and with demand for the full 37-coin Bicentennial series, since some buyers want the complete set and pay a premium to fill a gap.

The myth: "it's old, so it's worth a fortune"

A 2009 coin is barely old, and the circulating type was produced in the millions. No auction record turns this coin into a windfall. Anyone telling you a common 5 peso Bicentennial is worth hundreds of dollars is guessing or selling something. The realistic ceiling for the ordinary version is a few dollars. The silver proof is the only version with a genuine floor, because its silver content and limited mintage give it a real base value.

About mint errors

Genuine striking errors, off-center strikes, die rotation, double strikes, do exist on modern Mexican coins and can multiply the value of a piece if they are verifiable. Be careful: most "errors" posted online are post-mint damage, dings, corrosion, or scratches, not factory errors. If you think yours is a real error, get a second opinion before you assume it is valuable.

How to check what yours is worth

1. Identify the version. Look at the center core. A bright, mirror finish and a case point to the silver proof. A flat, matte look means the circulating type.
2. Weigh and measure it. Use a jewelry scale and a caliper. It should weigh 9.76 g and measure 30.52 mm. Wrong weight or diameter, flat relief, or oddly distributed colors are red flags for a fake.
3. Grade the condition. Scratches, wear, and cleaning all lower value. Do not clean the coin; cleaning almost always reduces what a collector will pay.
4. Compare recent sales. Look at completed listings for the same version rather than asking prices.

Where to sell it

For the silver proof, a coin shop can appraise it on the spot. For fair pricing without middleman markup, use the Pesoteca coin shop directory to find a verified dealer by city, or list it in the Pesoteca buy-and-sell forum among collectors who want the exact piece. Photograph the obverse, reverse, and edge, and check the range on this page before you accept an offer. Avoid dumping it to the first buyer on social media.

If you want to compare it with the rest of the Mexican Bicentennial 5 peso series, you may find your coin is one piece someone needs to complete a set.

Think you might have the silver proof or a genuine error? Post clear photos in the Pesoteca forum and let the community confirm what you have before you sell.

Jose Servando Teresa de Mier Noriega y Guerra: Dominican friar, pamphleteer and constituent deputy

Jose Servando Teresa de Mier Noriega y Guerra (1765-1827) was a Dominican friar, pamphleteer and constituent deputy during the War of Independence.

Fray Servando was expelled from the pulpit for proposing in 1794 that the image of the Virgin of Guadalupe predated the conquest, a thesis with an anticolonial political charge. He lived in exile in Europe, wrote the History of the Revolution of New Spain from London in 1813 and returned to the country in 1817 with Mina's expedition. As a deputy in the Constituent Congress he defended federalism.

Context of the year. The piece is from 2009 and honors the intellectual arm of the movement. His writings from exile reframed the independence argument for the European public.

The reverse of the coin. The reverse of this 5-peso piece shows the portrait of Jose Servando Teresa de Mier Noriega y Guerra, his engraved signature and the year 2009, in accordance with the official catalog of the Bank of Mexico for the commemorative series of the Bicentennial of the start of Independence (1810-2010).

Legacy. The municipality of Mier, in Tamaulipas, and the Faculty of Philosophy and Letters of the UNAM keep his memory. His remains rest in the Pantheon of San Fernando in Mexico City.