Two diptychs, a triptych of coins and a silver medal with three series in various metal alloys

Three diptychs (1981-1983-1984) composed of two coins (500 Lire and 1000 Lire) in 835/1000 silver proof weighing g 51,2 (2). Un trittico (1981) made up of two 500 Lire coins and a 1000 Lire coin in 835/1000 silver weighing g 36,6. Commemorative medal (1982) new Italian-San Marino monetary agreement in 800/1000 silver weighing g 30. Three series (1972-1980-1981) made up of nine coins (1 Lira, 2 Lire, 5 Lire, 10 Lire, 20 Lire, 50 Lire, 100 Lire, 200 Lire, 500 Lire) each in various metal alloys.