| Value | 20 Haleru |
| Material | Nickel brass |
| Weight | 2.6 gr |
| Diameter | 19.5 mm |
| Thickness | 1.5 mm |
| Shape | Round |
| Subject | Coat of arms of Czechoslovakia - Value, star above |
KM74 · CZECHOSLOVAKIA · 1972 - 1990

| Value | 20 Haleru |
| Material | Nickel brass |
| Weight | 2.6 gr |
| Diameter | 19.5 mm |
| Thickness | 1.5 mm |
| Shape | Round |
| Subject | Coat of arms of Czechoslovakia - Value, star above |
Coin