| Issuer | Mexico |
| Year | |
| Type | Pattern |
| Value | |
| Currency | Bullion coinage (1947-date) |
| Composition | Gold (.999) |
| Weight | 21.25 g |
| Dimensions | 34.5 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |
| Obverse description | Issuer`s name above its coat of arms. |
| Obverse script | Latin |
| Obverse lettering | ESTADOS
UNIDOS MEXICANOS (Translation: United Mexican States) |
| Reverse description | A monarch butterfly in the center, with the fineness below, mintmark to the right, and weight and material at bottom. |
| Reverse script | Latin |
| Reverse lettering | MONARCA
.9999
Mo
UNA ONZA ORO PURO (Translation: Monarch One ounce of pure gold.) |
| Edge | Plain. |
| Mint | (Mº) Mexican Mint (Casa de Moneda de México), Mexico, Mexico (1535-date) |
| Mintage | ND Mº - Proof - |
| Catalog ID | 6041097930 |
| Comments |
