27 mm diameter, ~6 g, 95% steel plated with 5% nickel, flat edge denomination "1 LEU", ploughing tractor and sun rising beyond the mountains, at left oil rigs	inscription "REPUBLICA POPULARA ROMINA" meaning "ROMANIAN PEOPLE'S REPUBLIC", year 1960 flanked on either sides by a pair of squares, Romanian coat of arms

This pattern has the same diameter as the bussiness strike coins of 3 lei from 1963 and 1966.

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