Mexican Peso Composition: Polymer Notes and Bimetallic Coins

Modern Mexican pesos (MXN) use polymer substrate for banknotes and bimetallic / stainless-steel coins. The description below reflects the Series F/G (2018–present) banknotes and current circulating coins.

Banknotes (Polymer)

Material: Guardian™ polymer (biaxially oriented polypropylene) — durable, waterproof, recyclable, with transparent windows, SPARK® Live security features.

Coins (Circulating)

DenominationDimensionsPredominant ColorFront FigureBack Theme
$20120 × 65 mmRedBenito JuárezSian Ka'an Biosphere
$50125 × 65 mmMagentaJosé María MorelosMonarch Butterfly Reserve
$100134 × 65 mmYellowNezahualcóyotlTemplo Mayor, Tenochtitlan
$200141 × 65 mmGreenMiguel Hidalgo / José María MorelosEl Pinacate Biosphere
$500148 × 65 mmBlueBenito Juárez (reissue)Gray Whale, El Vizcaíno
$1,000155 × 65 mmPurpleFrancisco I. Madero / Hermila Galindo / Carmen SerdánAncient Maya City, Calakmul
DenomCompositionDiameterWeightDesign
10¢Stainless steel14.0 mm1.58 gSun Stone (Aztec calendar)
20¢Stainless steel15.3 mm2.08 gSun Stone
50¢Stainless steel18.0 mm3.10 gSun Stone
$1Bimetallic: Al-bronze ring + SS core21.0 mm4.39 g$ sign / Aztec calendar
$2Bimetallic: Al-bronze ring + SS core23.0 mm5.51 g$ sign / Aztec calendar
$5Bimetallic: Al-bronze ring + SS core25.5 mm7.07 g$ sign / Aztec calendar
$10Bimetallic: Al-bronze ring + SS core28.0 mm10.33 g$ sign / Aztec calendar
$20Bimetallic: Al-bronze ring + SS core30.0 mm12.67 g$ sign / Aztec calendar

Commemorative $20 coins (bimetallic) issued for historical events (Independence, Revolution, etc.) circulate alongside standard $20.

The older cotton-paper notes (Series D, D1) are being withdrawn but remain legal tender.

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