| Location | Mexico |
| Year | 1987 |
| Type | Bullion/Round |
| Composition | Silver (.999) |
| Weight | 31.3 g |
| Diameter | 38 mm |
| Thickness | |
| Shape | Round |
| Technique | Milled |
| Orientation | Coin alignment ↑↓ |
| Edge | Lettering: Canto estriado discontinuo foliado |
| Period | United Mexican States/Mexican Republic (1823-date) |
| Reference(s) | X#MB37, PCGS#385892 |
| Obverse description | Old screw coining press |
| Obverse lettering | CASA DE MONEDA DE MEXICO
1987
LEY 999
1
ONZA PLATA PURO
Mo (Translation: House of Money of Mexico 1987 Pure 999 1 ounce Oure Silver Mintmark) |
| Obverse script | Latin |
| Reverse description | Franklin, Washington and Jefferson seated at table |
| Reverse lettering | THE CONSTITUTION OF THE U.S.A. 1787-1987 200TH ANNIVERSARY |
| Reverse script | Latin |
| Mint | (M°) Mexican Mint (Casa de Moneda de México), Mexico, Mexico (1535-date) |
| Mintage | 1987 Mo - Proof - 5 000 |
| Catalog ID | 9337129900 |
| Comments |
