1977 AD., San Marino, Ecology series, Rome mint, 1 Lira, KM 68.

San Marino, Ecology series, engraver: Jorio Vivarelli, Istituto Poligrafico e Zecca dello Stato, Roma, Italy, 1977 AD.,
1 Lira (ø 17 mm / 0,62 g), aluminium, 0,65 g. theor. mint weigt, mintage 1.180.000 , axis coin alignment ↑↓ (180°), plain edge,
Obv.: REPUBLICA - DI SAN MARINO / L. 1 / MONASSI INC. / 1977 , value below three towers (each decorated with a weather vane consisting of a ostrich feather) on walls and mountains, all within circle, date below.
Rev.: IL VERDE MANTO DELLA TERRA / J. VIVARELLI - FAO , (translation: “the green land of the earth“), the earth within a circle of stars, all within circle.
Depicted on earth are the five major circles of latitude (The Arctic Circle, Tropic of Cancer, Equator Tropic of Capricorn and Antarctic Circles) and zero degree Longitude).
KM 68 .

Year / Mintage
1977 1.180.000

The three towers symbolize the three citadels of San Marino (La Guaita, La Cesta and La Montale).