© Banco de Mexico
 20 Pesos Pattern; Coyolxauhqui; Alternate Design
1978 year| Copper-nickel | 16 g | 33 mm | 
|   Issuer   |  Mexico | 
|---|---|
|   Period   |  United Mexican States/Mexican Republic (1823-date) | 
|   Type   |  Pattern | 
|   Year   |  1978 | 
|   Value   |  20 Pesos (20 MXP) | 
|   Currency   |  Peso (1863-1992) | 
|   Composition   |  Copper-nickel | 
|   Weight   |  16 g | 
|   Diameter   |  33 mm | 
|   Shape   |  Round | 
|   Technique   |  Milled | 
|   Orientation   |  Coin alignment ↑↓ | 
|   Demonetized   |  1978 | 
|   Updated   |  2024-10-06 | 
|   Numista   |  N#430203 | 
|---|---|
|   Rarity index   |  100% | 
Reverse
Depiction of Coyolxauhqui in the center, with value and year below it and mintmark to the right.
Script: Latin
 Lettering: 
 M°
 VEINTE PESOS 
 1978 
Translation: Twenty Pesos.
Edge
Plain
Interesting fact
The Pattern 20 Pesos (Pattern; Coyolxauhqui; Alternate Design) 1978 from Mexico made of Copper-nickel weighing 16 g is a rare and unique coin. It was designed by Mexican artist Francisco Goitia and features the Aztec goddess Coyolxauhqui, which is an interesting fact about this coin.