Design features

Type C
Diameter 21.0 mm
Shape Round
Weight 3.95 grams
Edge

Plain

Obverse

 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 center of the coin to the left, the symbol "$", and to the right, the face value, one, "1"; top center, the mint year; to the right of the center, the Mexican mint mark "M°" As the key motif, a stylized image of the "Ring of Splendor of the Sun Stone".
In circulation as of January 1st, 1996.

Composition

1. Center of the coin:

  • Bronze-aluminum alloy.
  • Starting December 2025: bronze-coated steel.

2. Peripheral ring of the coin: Stainless steel alloy.