Wonderful one year type in a PCGS MS66 holder

San Marino 
PeriodRepublic (1864-date)
Silver (.835)
Weight14.6 g
Diameter31.4 mm
ShapeRound
OrientationCoin alignment ↑↓
DemonetizedYes
ReferencesKM# 72
Commemorative issue
600th Anniversary of the Birth of Brunelleschi

Obverse
The bust of Brunelleschi facing 3/4 to the left and dates below

Lettering: 
FILIPPO DI SER BRUNELLESCO
1377 - 1977

Reverse
People standing on a railed platform and the denomination at the bottom

Lettering: 
REPUBBLICA DI SAN MARINO
L.1000

Translation: 
Republic of San Marino
1000 Lire

Edge
Plain with raised edge inscription

Lettering: RELINQUO VOS LIBEROS

Translation: I leave you free