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20-centavo coins

Design features

Type C
Diameter 19.5 mm (circle around a dodecagon)
Shape 12-sided
Weight 3.04 grams
Edge

Plain

canto liso mon 20 ctvos C

ObverseC_mon_20 ctvos - anv

In the center field, the national shield with the inscription “ESTADOS UNIDOS MEXICANOS” (UNITED MEXICAN STATES) along the top of the coin.

Reverse

In the middle part of the coin, the number ten “20” as the key motif and denoting face value; to its right the cent symbol “¢”; top center, the mint year; bottom center, the Mexican mint mark “M”; to the left, parallel to 12-sided frame, a stylized image of the “Thirteenth Acatl Day of the Sun Stone.”

In circulation as of January 1st, 1996.

Composition

Bronze-aluminum alloy comprised of the following materials:

  • 92% (ninety-two percent) copper;
  • 6% (six percent) aluminium; and
  • 2% (two percent) nickel.

 

Design features

 

Type D
Diameter 15.3 mm
Shape Round
Weight 2.258 grams
Edge

Segmented reeding

canto estriado discontinuo mon 20 ctvos D

ObverseD_mon_20 ctvos - anv

In the center field, the national shield with the inscription “ESTADOS UNIDOS MEXICANOS” (UNITED MEXICAN STATES) along the top of the coin.

Reverse

In the middle part of the coin, the number ten “20” as the key motif and denoting face value; to its right the cent symbol “¢”; top center, the mint year; bottom center, the Mexican mint mark “M”; to the left, parallel to the edge, a stylized image of the “Thirteenth Acatl Day of the Sun Stone.”

In circulation as of August 6, 2009.

Composition

Stainless steel alloy comprised of the following materials:

  • Between 16% and 18% (sixteen and eighteen percent) chrome;
  • 0.75% (seventy-five basis points) nickel, maximum;
  • 0.12% (twelve basis points) carbon, maximum;
  • 1% (one percent) silicon, maximum;
  • 1% (one percent) manganese, maximum;
  • 0.03% (three basis points) sulfur, maximum;
  • 0.04% (four basis points) phosphorus, maximum; and
  • The remainder, iron.