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50-centavo coins

Design features

Type C
Diameter 22.0 mm (circle around a dodecagon)
Shape 12-sided, notched
Weight 4.39 grams
Edge

Plain

 canto liso mon 50 ctvos C

ObverseC_mon_50 ctvos - anv

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

ReverseC_mon_50 ctvos - rev

In the middle part of the coin, the number fifty, “50,” as the key motif and denoting face value; to its right the cent symbol “¢”; top center, the mint year; below the center, Mexican mint mark “M”; parallel to the semi-circular frame, at the bottom, a stylized image of the “Ring of Acceptance 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 17 mm
Shape Round
Weight 3.103 grams
Edge

Milled

 canto estriado mon 50 ctvos D

FrontD_mon_50 ctvos - anv

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

BackD_mon_50 ctvos - rev

In the middle part of the coin, the number fifty, “50,” as the key motif and denoting face value; to its right the cent symbol “¢”; top center, the mint year; below the center, the Mexican mint mark “M”; parallel to the edge, at the bottom, a stylized image of the “Ring of Acceptance 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.