| Location | Spain |
| Year | 1987 |
| Type | Coin patterns/Coin pattern |
| Composition | Silver (.925) |
| Weight | 12.5 g |
| Diameter | 28 mm |
| Thickness | 2 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Coin alignment ↑↓ |
| Edge | |
| Period | |
| Reference(s) | KM#TS1 |
| Obverse description | Juan Carlos, King of Spain and Queen Sofia, his wife. |
| Obverse lettering | JUAN CARLOS I Y SOFIA.1987. traduction : Juan Carlos I et Sofia.1987. |
| Obverse script | Latin |
| Reverse description | A crowned M and the word PRUEBA (essay) written in capital letters. |
| Reverse lettering | M - PRUEBA -ESTRELLA CON 87 M-ESSAI-ETOILE AVEC 87 |
| Reverse script | Latin |
| Mint | (M) Royal Mint of Spain (Real Casa de la Moneda), Madrid, Spain (1591-date) |
| Mintage | 1987 - Proof - 200 000 |
| Catalog ID | 3229182110 |
| Comments |
