

COPY
| Number | KM# 74 |
|---|---|
| Country | Czechoslovakia |
| Period | Socialist Republic (ČSSR) (1960 - 1990) |
| Currency | Czechoslovak koruna |
| Coin type | Circulation coins |
| Denomination | 20 hellers |
| Year | 1972 - 1990 |
| Edge type | Reeded |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Brass |
| Weight (g) | 2.6 |
| Diameter (mm) | 19.5 |
| Thickness (mm) | 1.2 |
![]() | Coat of arms Description Legend |
|---|
![]() | Star Legend Creators: František David (D) |
|---|
| Year | Mintage | Rarity | Value, USD | ||
|---|---|---|---|---|---|
| UNC | BU | Proof | |||
| 1990 | 15.030.000 | 30.000 | - | A | $ 0.23 |
| 1989 | 29.980.000 | 30.000 | - | ||
| 1988 | 18.260.000 | 29.000 | - | ||
| 1987 | 26.975.000 | 30.000 | - | ||
| 1986 | 37.055.000 | 20.000 | - | ||
| 1985 | 40.455.000 | 39.000 | - | ||
| 1984 | 33.685.000 | 39.000 | - | ||
| 1983 | 50.160.000 | 50.000 | - | ||
| 1982 | 41.239.000 | 53.000 | - | ||
| 1981 | 35.126.000 | ? | + | ||
| 1980 | 52.301.000 | 50.000 | - | ||
| 1979 | 12.120.000 | - | - | ||
| 1978 | 30.095.000 | - | - | ||
| 1977 | 30.655.000 | - | - | ||
| 1976 | 30.540.000 | - | - | ||
| 1975 | 30.025.000 | - | - | ||
| 1974 | 24.795.000 | - | - | ||
| 1973 | 39.095.000 | - | - | ||
| 1972 | 25.820.000 | - | - | ||
