| Issuer | Mexico |
| Year | 1866 |
| Type | Coin pattern |
| Value | 1 Peso (1 MXP) |
| Currency | Peso (1863-1992) |
| Composition | Silver (.903) |
| Weight | 27.07 g |
| Dimensions | 37 mm |
| Thickness | 2.5 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#Pn100 |
| Obverse description | Emperor`s bust facing right, with name and title at his sides. And ribbon at bottom with assayer`s name. NOTE: Known as `Small letters` for the smaller size of lettering in Obverse. |
| Obverse script | Latin |
| Obverse lettering | MAXIMILIANO EMPERADOR OCAMPO NAVALON SPIRITU |
| Reverse description | Crowned Imperial arms; Eagle with snake in beak standing on a cactus in the middle of a lake inside a shield with laurel and olive ornamentation. Crossed by two swords on back and held in place by two griffons. On the back a circle of ornaments made by small eagles and tassels. At bottom both sword are tied by a ribbon with legend and another eagle in the middle. Value at bottom left, date and mint at bottom right and legend at top. |
| Reverse script | Latin |
| Reverse lettering | IMPERIO MEXICANO EQUIDAD EN LA JUSTICIA 1 PESO 1866 Mo |
| Edge | Reeded. |
| Mint | (Mo) Mexican Mint (Casa de Moneda de México), Mexico, Mexico (1535-date) |
| Mintage | 1866 Mo - Prooflike - |
| Catalog ID | 5013566690 |
| Comments |
