1 Quattrino - Enrico Caetani Sede Vacante
€1.00
| Issuer | Montalto (Papal States) |
| Year | 1590 |
| Type | Commemorative circulation coin |
| Value | 1 Quattrino (0.002) |
| Currency | Scudo (1534-1835) |
| Composition | Billon |
| Weight | 0.58 g |
| Dimensions | 16 mm |
| Thickness | |
| Shape and Technique | Round (irregular) |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | MIR#1402 , Munt#17 , Berman#1407 |