Mexico 20 Pesos Independence Commemorative Note (2021)

The 20-peso Independence commemorative note from Mexico is worth its face value in almost every case, roughly 1 US dollar at current exchange rates. It is a current, circulating polymer note, not a scarce collectible. The exceptions that carry a premium are printing errors, low or radar (palindrome) serial numbers, and pristine uncirculated notes from the earliest print runs. Here is what you actually have.

What this note is

The Banco de México (Mexico's central bank) issued this note on September 24, 2021 to mark the bicentennial of the consummation of Mexican independence. It is the first 20-peso note in the new Family G series (the current design generation), and it is printed on polymer, not paper. It replaced the older blue paper note featuring Benito Juárez.

The front shows a fragment of the painting "Solemn and Peaceful Entry of the Army of the Three Guarantees into Mexico City on September 27, 1821," held at the National History Museum in Chapultepec Castle. It depicts the Trigarante Army entering the capital in triumph, the moment independence was completed.

The back turns to the natural heritage of southeastern Mexico: a marsh crocodile and a heron among the mangroves of the Sian Ka'an Biosphere Reserve in Quintana Roo, a UNESCO World Heritage site. Green and red dominate the color scheme.

How much it is worth in 2026

This is a circulating note. In 2026 it is worth its face value of 20 pesos, which converts to a little over 1 US dollar. If someone tells you a common example of this note is worth 50 or 100 dollars, that is not true.

Value only climbs above face in a few specific situations:

• Printing errors. Misaligned cuts, ink smears, factory folds, or off-center serial numbers turn an ordinary note into something collectors will pay several times face value for. Normal wear and handling damage is not an error.
• Low serial numbers. Notes with serials in the single or double digits, or leading zeros, draw extra demand.
• Radar / palindrome serials. A serial that reads the same forward and backward (for example, 1234321) commands a premium.
• Uncirculated early-run examples. Crisp, unfolded notes from the first print runs, especially graded and encapsulated by a grading service, are the ones most likely to appreciate over time.

Family G is still a young series, so there is no established roster of scarce collector varieties the way there is with retired families. Set one aside in pristine condition now, and it has a real chance of carrying a premium years from now.

Quick reference

Feature	Detail
Denomination	20 pesos
Series	Family G (commemorative)
Issue date	September 24, 2021
Substrate	Polymer
Front theme	Entry of the Army of the Three Guarantees, 1821
Back theme	Sian Ka'an Biosphere Reserve (crocodile, heron)
Everyday value	Face value (~1 USD)
Premium value	Errors, low/radar serials, uncirculated early runs

How to tell if yours is genuine

Check the security features built into the note. Hold it to the light for the watermark and the security thread, feel for raised intaglio printing under your fingertips, look for microprinting, and inspect the transparent polymer window. A counterfeit usually feels smooth and flat, with no relief, and the watermark looks printed on the surface rather than embedded. If you are unsure, post clear photos of both sides in the Pesoteca forum and collectors will weigh in.

Where to sell it

If you have an ordinary example, it is still spendable currency, so you lose nothing by keeping it. To sell one with a premium feature, the safest routes are a verified coin and currency shop from the Pesoteca directory, which can appraise it on the spot, or the Pesoteca buy-and-sell forum among collectors. Photograph both faces in good light and note any low serial, radar serial, or error before you set a price. Do not dump it to the first buyer on social media.

If you want to compare it with the previous design generation, look at the Family F notes.

Have one with an error or an unusual serial number? Post it in the forum and let the community take a look.

This commemorative 20-peso note of 2021 was issued by the Banco de México to celebrate the Bicentennial of the Consummation of Independence, that is, the 200 years since the entry of the Army of the Three Guarantees into Mexico City in September 1821, the moment when the struggle begun by Hidalgo came to an end.

The obverse reproduces a fragment of the work depicting that solemn entry of the Trigarante Army, held at the National Museum of History. The reverse turns toward nature: it presents a marsh crocodile and a heron in the mangroves of the Sian Ka'an Biosphere Reserve, in Quintana Roo, a World Heritage Site. It is a polymer note and stands out for combining formats, with one side horizontal and the other designed to be read vertically.

Beyond the anniversary, this piece illustrates the Banco de México's new design line, which unites history and biodiversity in each issue. The patriotic celebration on the obverse and the protected ecosystem on the reverse sum up the dual narrative (identity and nature) that characterizes the most recent Mexican notes.

An internationally awarded note

This note is not only beautiful, it is recognized internationally. It won the award for Best New Commemorative Banknote of Latin America in 2021, granted by the firm Reconnaissance International. In other words, when you carry it in your wallet you are carrying a piece the whole world took notice of.