23 mm diameter, 5 g, silver 83.5%, copper 16.5%, grained edge, outer pearl circle denomination "1 LEU" and year 1870 inside a wreath formed by a laurel branch (left) and an oak branch (right); below the ribbon that ties the branches lies the initial B standing for Bucharest	inscription "CAROL I DOMNUL ROMANIEI" meaning "PRINCE OF ROMANIA" and CAROL I head facing left, outer pearl circle

The pattern pictures and the detail above are present on Romanian coins through the kind permission of Mr. C.C. from Germany.

The circulation coin could be seen on its dedicated page.