| Value | 3 LEI |
| Material | Nickel clad steel |
| Weight | 5.86 gr |
| Diameter | 27 mm |
| Thickness | 1.5 mm |
| Shape | Round |
| Subject | national emblem of Romanian People's Republic (1952–1965) - Oil refinery, above value in large exergue |
KM91 · ROMANIA · 1963

| Value | 3 LEI |
| Material | Nickel clad steel |
| Weight | 5.86 gr |
| Diameter | 27 mm |
| Thickness | 1.5 mm |
| Shape | Round |
| Subject | national emblem of Romanian People's Republic (1952–1965) - Oil refinery, above value in large exergue |
Coin