| Issuer | Mexico |
| Year | 1980-1984 |
| Type | Circulating commemorative coins |
| Value | 20 Pesos (20 MXP) |
| Currency | Peso (1863-1992) |
| Composition | Copper-nickel (75% Copper, 25% Nickel) |
| Weight | 15.2 g |
| Dimensions | 32.06 mm |
| Thickness | 2.44 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | 15 November 1995 |
| Reference(s) | KM#486, Schön#78 |
| Obverse description | `Estados Unidos Mexicanos` in a semicircle over the Mexican coat of arms (a Mexican golden eagle standing on a prickly pear cactus devouring a rattlesnake and a holm oak (Encino) branch on one side and a laurel branch on the other at the base of the cactus) |
| Obverse script | Latin |
| Obverse lettering | ESTADOS
UNIDOS MEXICANOS (Translation: United Mexican States) |
| Reverse description | Jugador de pelota (a Maya ball player inside a circle). Denomination to the left, year and mintmark at the bottom. |
| Reverse script | Latin |
| Reverse lettering | CULTURA MAYA
$20
1981
Mo (Translation: Maya Culture 20 Pesos 1981 Mo) |
| Edge | Smooth with Inscription |
| Mint | Mo Mexican Mint (Casa de Moneda de México), Mexico, Mexico (1535-date) |
| Mintage | 1980 Mo - - 84 900 000 1981 Mo - - 250 573 000 1982 Mo - Proof - 1 051 1982 Mo - Small or large edge lettering. See comments - 236 892 000 1983 Mo - Proof - 3 1984 Mo - - 55 000 000 |
| Catalog ID | 8128752420 |
| Comments |
