20 Pesos Octavio Paz Nobel Anniversary (2011): Value & Prices

Most people who find a 2011 Octavio Paz 20 peso coin in an inherited box hope it is worth a fortune. It is not. This is a common commemorative worth roughly 4 to 13 US dollars depending on condition, with 5 million pieces struck. Here is exactly what yours is worth and how to check.

What is this coin worth?

In today's collector market the 20 Pesos Octavio Paz Nobel Anniversary coin trades between 4 and 13 US dollars (about 80 to 250 pesos), driven almost entirely by condition:

• Circulated (worn, from pocket change): around 4 USD.
• Uncirculated (UNC), or still sealed in the original Banco de México blister pack: up to 13 USD.

That is the whole range. If a listing tells you this coin is worth hundreds or thousands of dollars, it is either a scam or a mislabeled auction. With 5,000,000 pieces minted, it is not rare, and rarity is what drives value in Mexican coins.

Coin	Year issued	Condition	Approx. value (USD)	Where it sells
20 Pesos Octavio Paz Nobel	2011 (dated 2010)	Circulated	~4 USD	Coin shops, collector forums
20 Pesos Octavio Paz Nobel	2011 (dated 2010)	Uncirculated / blister	~13 USD	Coin shops, collector forums

What exactly is this coin?

It is a 20 peso commemorative honoring the 20th anniversary of Octavio Paz winning the 1990 Nobel Prize in Literature. Paz remains one of Mexico's most important 20th-century writers. The decree was published on January 27, 2011, and Banco de México (Mexico's central bank, called Banxico) released it into circulation on March 31, 2011, the poet's birthday.

One detail almost nobody in the market notices: Banxico issued the coin in 2011, but the reverse is engraved with the year 2010. This gap between issue year and struck date is normal for this piece and does not make it a rare variety. Do not pay extra because a seller claims the "2010" date is special.

Technical specs (use these to check yours)

This is a bimetallic coin from the C1 family, with an aluminum-bronze outer ring and a copper-nickel center. There is no silver or gold in it, so it has no melt value beyond a few cents of base metal.

• Weight: 15.945 grams
• Diameter: 32 mm
• Shape: round (circular)
• Mintage: 5,000,000 pieces
• Composition: aluminum-bronze ring, copper-nickel center (no precious metal)

If you collect this family, two related pieces worth checking are the 20 Pesos Belisario Domínguez and the 20 Pesos Centennial of the Mexican Army.

Don't confuse it with the millennium version

There are two different Octavio Paz 20 peso coins, and people mix them up:

• Nobel Anniversary (2011): round, 32 mm, carries the legend "Premio Nobel de Literatura 1990."
• Millennium (2000 and 2001): twelve-sided (dodecagonal), easy to tell apart by shape alone.

Both share the "Fuente" reverse design, but the shape separates them at a glance. Neither is worth a fortune.

How to tell if yours is genuine

Counterfeits of a coin worth 13 USD are rare, but here is how to verify:

1. Weigh it on a jewelry scale. It should be 15.945 grams.
2. Measure the diameter with calipers. It should be 32 mm.
3. Check the relief and colors. Fakes often have flat detail or the two-tone metal poorly aligned.

Off weight or diameter is the fastest tell. If your coin is genuine, condition is everything: handle it by the edges and do not clean it, since cleaning destroys collector value.

What about "error" coins?

Genuine mint errors (off-center strikes, die rotation, double strikes) can multiply the value of a coin. But most "errors" people post online are post-mint damage: dings, scratches, corrosion, not factory mistakes. If you think you have a real error, photograph both sides and the edge and post it in the Pesoteca forum so collectors can review it.

Where to sell it

For a fair price without middleman markup, use a verified coin shop from the Pesoteca directory, which can appraise it on the spot, or the collector buy-and-sell forum. Photograph the obverse, reverse, and edge, and check the value range above before you sell. Avoid dumping it to the first bidder on social media.

Have one of these sitting in a drawer, or think you spotted a genuine minting error? Post your photos in the Pesoteca forum and let collectors weigh in on what yours is actually worth.

On October 11, 1990, the Swedish Academy announced that Octavio Paz had won the Nobel Prize in Literature, "for impassioned writing with wide horizons, characterized by sensuous intelligence and humanistic integrity." He was, and remains, the only Mexican laureate in that category. On December 10 of that year he received the medal from the hand of King Carl XVI Gustaf in Stockholm.

Paz (1914-1998) was not just a poet: essayist, diplomat, and editor, he shaped Mexico's cultural and political debate for half a century, from "The Labyrinth of Solitude" to "The Bow and the Lyre." Winning the Nobel put Mexican letters on the world map.

Twenty years later, Congress commemorated that award with this coin. The decree was published in the Official Gazette on January 27, 2011, signed by Felipe Calderón. The reverse carries the legend "Premio Nobel de Literatura 1990" and a verse by Paz himself: "Todo es presencia, todos los siglos son este presente" ("All is presence, all the centuries are this present").

It was released on the poet's birthday

The Bank of Mexico put it into circulation on March 31, 2011, exactly on the anniversary of Paz's birth. It was no coincidence: they wanted the coin to come out on the day the poet would have marked another year. At the Nobel ceremony on December 10, 1990, Paz read his speech "In Search of the Present," with the idea that defines his entire body of work: the present as the only reality. That same verse from the poem "Fuente" was engraved in the metal, so this piece does not commemorate a battle or a national hero, it commemorates an idea.

How to tell it apart: it is round, not twelve-sided

Here is the detail that confuses people most. Unlike the twelve-sided commemorative 20-peso coins from the turn of the millennium, this 2011 coin is round, 32 mm in diameter. Its core is a copper-nickel alloy (75% copper, 25% nickel) and the ring is aluminum-bronze (92% copper, 6% aluminum, 2% nickel). Paz's bust is shown in profile, with the legend "Premio Nobel de Literatura 1990" beneath it and the verse in a semicircle. There are no variants from other years: anyone who tells you "it's from another year, rarer" is spinning a tall tale. If someone offers you an "Octavio Paz" without that verse on the reverse, something doesn't add up.

What it's worth and why it isn't worth millions

Stories circulate about "the Octavio Paz worth 30 thousand dollars" or two coins selling for 1.6 million pesos. Those are made-up prices, not market prices: someone posts a listing with an absurd number, nobody buys, but the headline has already scared half of Mexico. Five million pieces were struck, so it is not rare. Its real value in the collector market runs from 80 to 250 pesos, and it depends almost entirely on condition: circulated and worn it sits near 80 pesos, in good shape 100 to 150, and uncirculated (UNC, with factory shine or in a Banxico blister pack) it approaches 250. The difference between a circulated one and a UNC can be triple. Don't give it away as if it were just "a 20-peso coin," but don't hoard it thinking it's your retirement either.

Where to find it

With 5 million struck, you can still track it down without much trouble: collector groups, fairs, and shops in the historic center. If you're building the complete set, this is one of the ones you get early, not one of the ones that make you sweat. To buy or sell without falling for a con artist, compare prices in the shop directory.